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Kaspersky Total Security 2020 hangs with MBAM

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2 hours ago, jbraner said:

Hmm - it works OK here. Try disabling Ransomeware protection and Exploit protection - that works fine here with MB 4 and KTS 2020.

That's very good news if it indicates that the problem is fixed.  Will look forward to having the time to try it out again with MB 4.0 and KIS 2020 (g)


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IF there is still some issue with Firefox, or Thunderbird, or some other app, then


Exclude affected applications within Malwarebytes.



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  • Root Admin

I see that patch G is for Kaspersky Anti-Virus 20 and Kaspersky Total Security 20 has not yet been updated to patch G at this time: 12/13/2019 12:51:57 PM



Patches A – G for version

Patch G

Patch G for Kaspersky Anti-Virus version was released on December 9, 2019.

With patch G:

  • We've further optimized the application. It now consumes less memory on your computer.
  • Installing a new version of the application over the previous one became easier. If there is an application with expired license on your computer and you choose to install a new version over it, you will not see the Previously installed version of the application detected message.
  • We've fixed several errors:
    • Detailed information about the website wouldn't appear after hovering over Kaspersky Protection icon in the search results window.
    • Wi-Fi networks wouldn't appear in the Network properties window of the Firewall component. Network type (public, trusted or local) was sometimes determined incorrectly.
    • New applications could not be added to the Trusted, Limited or Untrusted group in the Application Control component.
    • The Rarely used section would sometimes include applications that were in fact often used.
    • Updating the application would sometimes cause earlier events to disappear from the Detailed reports section.
  • Certain other error were fixed, including those spotted with your help.

To install the patch:

  1. Run the database update of Kaspersky Anti-Virus. For instructions, see this article.
  2. When the update completes, restart your computer.

To check if the patch was installed successfully, open the application and click Support in the lower-left corner. You will see the full version number of the application with letter g added at the end.



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Kaspersky Total Security 20 release notes
Latest update: November 22, 2019 ID: 14376

Patches A – F for version

Patch F for Kaspersky Total Security version was released on November 25, 2019.

In Patch F:

    We have fixed the vulnerability which allowed removing third-party extensions from Google Chrome.
    We have fixed a number of minor issues, some of which have been detected with the help of our users.

To install the patch:

    Run the database update of Kaspersky Total Security. For instructions, see this article.
    When the update completes, restart your computer.

The patch will be installed. To make sure the update completed successfully, open the application and click Support in the lower-left corner. You will see the full version number of the program with letter f.



Issues with Patch E, Cant start Firefox, Malwarebytes, VirtualBox etc. after KIS 20 Version (e) Update [merged]
(This topic has been closed for comments)

List of applications incompatible with Kaspersky Total Security 20 (looks like it is not compatible with ANY other security software known to man, even some of it's own software)
Latest update: 2019 Jul 02 ID: 15082


  1. 360 Antivirus Software
  2. AEC TrustPort Antivirus
  3. AEC TrustPort Personal Firewall
  4. AES Encryption Module
  5. AIYac Antivirus
  6. ALWIL Software Avast
  7. AVG Anti-Virus FREE
  8. AVG AntiVirus
  9. AVG Free
  10. AVG Free Edition
  11. AVG Identity Protection
  12. AVG Internet Security
  13. AVG Protection
  14. AVG Software
  15. Acer LANScope Agent
  16. Ad-Aware Web Companion
  17. Adaptive Security Analyzer
  18. Agnitum Outpost Antivirus Pro
  19. Agnitum Outpost Firewall
  20. Agnitum Outpost Firewall Pro
  21. Agnitum Outpost Network Security Client
  22. Agnitum Outpost Security Suite Pro
  23. Agnitum Spam Terrier
  24. AhnLab Internet Security
  25. AhnLab Internet Security Platinum Enterprise
  26. AhnLab SpyZero
  27. AhnLab VirusBlock
  28. AhnLab VirusBlock Internet Security
  29. Aluria Security Center
  30. America Online Antivirus (Powered by McAfee)
  31. ArcaVir Antivir
  32. ArcaVir Internet Security
  33. Ashampoo AntiSpyware
  34. Ashampoo AntiVirus
  35. Ashampoo FireWall PRO
  36. AtGuard
  37. Authentium Command AV
  38. Authentium Command Anti-Malware
  39. Authentium Safe Central
  40. Avast Free Antivirus
  41. Avast Internet Security
  42. Avast Premier
  43. Avast Pro Antivirus
  44. Avast Software
  45. Avira AntiVir Personal - Avira Professional Security
  46. Avira AntiVir Personal - Free Antivirus
  47. Avira AntiVir PersonalEdition Classic
  48. Avira AntiVir PersonalEdition Premium
  49. Avira AntiVir Premium
  50. Avira AntiVir Professional
  51. Avira AntiVir Server/Desktop
  52. Avira AntiVir Windows 7 Workstation
  53. Avira Antivirus
  54. Avira Antivirus Premium
  55. Avira Antivirus Suite
  56. Avira Connect
  57. Avira Endpoint Security
  58. Avira Family Protection Suite
  59. Avira Free Antivirus
  60. Avira Internet Security
  61. Avira Internet Security Suite
  62. Avira Launcher
  63. Avira Management Console Agent
  64. Avira Premium Security Suite
  65. Avira Professional Security
  66. Avira Professional Security Management agent
  67. Avira Server Security (generic)
  68. Avira Software
  69. Avira WebProtector
  70. Baidu Antivirus
  71. Baidu Cleaner
  72. Baidu PC Faster
  73. Bit Defender Professional Edition
  74. BitDefender
  75. BitDefender  Professional
  76. BitDefender  Professional Plus
  77. BitDefender  Standard
  78. BitDefender Antivirus
  79. BitDefender Antivirus Plus
  80. BitDefender Antivirus Pro
  81. BitDefender Business Client
  82. BitDefender Client Professional Plus
  83. BitDefender DeploymentTool Agent
  84. BitDefender Free Edition
  85. BitDefender Internet Security
  86. BitDefender Management Agent
  87. BitDefender Security for Windows Servers
  88. BitDefender Standard Edition
  89. BitDefender Total Security
  90. BitDefender for FileServers
  91. Bitdefender Windows 8 Security
  92. BullGuard
  93. BullGuard AntiVirus
  94. CA Anti-Virus CA eTrustITM Agent
  95. CA Anti-Virus Plus
  96. CA AntiVirus
  97. CA HIPS Managed Client
  98. CA Licensing
  99. CA PC Security Suite
  100. CA Personal Firewall
  101. CA Private PC Security Suite
  102. CA Total Defense R12 Client
  103. CA eTrust Antivirus
  104. CA eTrust ITM
  105. CA eTrust InoculateIT
  106. CA eTrust PestPatrol Anti-Spyware
  107. CA eTrust PestPatrol Anti-Spyware Corporate Edition
  108. CA eTrust Pestpatrol
  109. CA eTrust Suite Personal
  110. CA eTrust iGateWay
  111. CA eTrustITM Agent
  112. COMODO Antivirus
  113. COMODO Antivirus Advanced
  114. COMODO Firewall
  115. COMODO Firewall Pro
  116. COMODO IS Premium
  117. COMODO IS Pro
  118. COMODO Internet Security Premium
  119. COMODO Internet Security Pro
  120. Check Point Endpoint Security
  121. Cipafilter Client Tools
  122. Cisco Security Agent
  123. ClamAV
  124. ClamAV gredAV
  125. ClamWin Antivirus
  126. ClamWin Free Antivirus
  127. Command Anti-Malware for Enterprise
  128. Command AntiVirus for Windows
  129. Command AntiVirus for Windows Enterprise
  130. Comodo AntiSpam
  131. Comodo Antivirus
  132. Comodo Antivirus Advanced
  133. Comodo BOClean
  134. Comodo Firewall
  135. Comodo Internet Security
  136. Comodo Internet Security Complete
  137. Comodo Internet Security Premium
  138. Comodo Internet Security Pro
  139. Comodo Safe Surf
  140. Comodo Software
  141. CyberDefender Early Detection Center
  142. CyberDefender Link Patrol
  143. Dr.Web Anti-Virus for Windows Pro
  144. Dr.Web Anti-virus for Windows
  145. Dr.Web AntiVirus
  146. Dr.Web AntiVirus for Windows Servers
  147. Dr.Web CommuniGate Plugin
  148. Dr.Web Enterprise Agent
  149. Dr.Web Enterprise Serve
  150. Dr.Web Enterprise Server
  151. Dr.Web Security Space
  152. Dr.Web Security Space Pro
  153. DrVirus
  154. DrWeb Enterprise Client
  155. DrWeb for Windows
  156. ESET Antivirus German
  157. ESET Antivirus Rus
  158. ESET Antivirus Software English
  159. ESET Endpoint Antivirus Kazakh
  160. ESET Endpoint Antivirus Russian
  161. ESET Endpoint Security Kazakh
  162. ESET Internet Security  English
  163. ESET Internet Security Kazakh
  164. ESET Internet Security russian
  165. ESET NOD32
  166. ESET NOD32 Antivirus
  167. ESET NOD32 Antivirus  English
  168. ESET NOD32 Antivirus  Russian
  169. ESET NOD32 Antivirus Brazil
  170. ESET NOD32 Antivirus Business
  171. ESET NOD32 Antivirus Kazakh
  172. ESET NOD32 Antivirus Spanish
  173. ESET NOD32 EN
  174. ESET NOD32 ESET Smart Security
  175. ESET Remote Administrator Console
  176. ESET Remote Administrator Server
  177. ESET Smart Security
  178. ESET Smart Security English
  179. ESET Smart Security Ger
  180. ESET Smart Security Kazakh
  181. ESET Smart Security Russian
  182. ESET Smart Security Spanish
  183. EarthLink Protection Center
  184. EarthLink Protection Control Center
  185. Emsisoft Anti-Malware
  186. Eset Endpoint Antivirus
  187. Eset NOD32 for Windows
  188. F-PROT Antivirus
  189. F-PROT Antivirus for Windows
  190. F-Prot for Windows
  191. F-Secure Anti-Virus / STREAM Antivirus / F-Secure Antivirus for workstation
  192. F-Secure Anti-Virus for Windows Servers
  193. F-Secure Anti-Virus for Workstations
  194. F-Secure Anti-Virus for Workstations + DeepGuard
  195. F-Secure Anti-Virus for Workstations - Virus & Spy Protection
  196. F-Secure Cincinnati Bell IS
  197. F-Secure Client Security
  198. F-Secure Client Security - Virus & Spy Protection
  199. F-Secure Internet Security
  200. F-Secure SAFE
  201. F-Secure SAFE Internet Security
  202. FFRI Proactive Security
  203. Filseclab Personal Firewall
  204. FortiClient
  205. G DATA AntiVirus
  206. G DATA AntiVirus Client
  207. G DATA AntiVirusKit
  209. G DATA Internet Security
  210. G DATA Software AntiVirenKit
  212. G DATA Total Care
  213. G DATA TotalCare
  214. G Data AntiVirus
  215. G Data Total Protection
  216. G Data TotalProtection
  217. Grisoft AVG
  218. Grisoft AVG / Steganos Internet Security  / Steganos Antivirus
  219. Grisoft AVG Free
  220. Grisoft AVG LinkScanner®
  221. HitmanPro.Alert
  222. IObit Security 360
  223. Ikarus virus utilities
  224. InfoWatch CryptoStorage
  225. Installer for User Profile Hive Cleanup Service
  226. Integrity Flex
  227. Iolo Antivirus
  228. Iolo Personal Firewall
  229. JUST Internet Security
  230. JiangMin Antivirus Software
  231. Jiangmin Antivirus KV2008
  232. K7 Anti-Virus Premium
  233. K7AntiVirus
  234. K7TotalSecurity
  235. KC Softwares SUMo
  236. KINGSOFT Internet Security
  237. KLFLTDEV Upper Filter
  238. KPN Internet Veiligheidspakket
  239. KPN Veilig
  240. Kaspersky Anti-Hacker
  241. Kaspersky Anti-Ransomware Tool for Business
  242. Kaspersky Anti-Spam Personal
  243. Kaspersky Anti-Virus
  244. Kaspersky Anti-Virus Lite
  245. Kaspersky Anti-Virus Personal
  246. Kaspersky Anti-Virus Personal Pro
  247. Kaspersky Anti-Virus for Windows File Servers
  248. Kaspersky Anti-Virus for Windows Workstation
  249. Kaspersky AntiViral Toolkit Pro
  250. Kaspersky Crypto Storage
  251. Kaspersky Endpoint Security
  252. Kaspersky Fraud Prevention
  253. Kaspersky Free Anti-Virus
  254. Kaspersky Internet Security
  255. Kaspersky Security Cloud
  256. Kaspersky Small Office Security PC/FS
  257. Kaspersky Total Security
  258. Kerio Personal Firewall
  259. Kerio WinRoute Firewall
  260. Kingsoft AntiSpyware
  261. Kingsoft AntiVirus
  262. Kingsoft Internet Security  plus
  263. Kingsoft Internet Security U
  264. Kingsoft Internet Security plus
  265. Kingsoft System Defender
  266. KingsoftSecurityCare
  267. LANDesk Antivirus 8
  268. Lamantine Sticky Password
  269. Lavasoft Anti-Virus Helix
  270. Lavasoft Personal Firewall
  271. Lavasoft Web Companion
  272. Lightspeed Security Agent
  273. Look 'n' Stop
  274. Look'n'stop Firewall
  275. MS Security Essentials / Forefront EP 2-4 / MS System Center EP
  276. Malwarebytes version
  277. McAfee Agent
  278. McAfee Agent (generic)
  279. McAfee Alert Manager
  280. McAfee Anti-Spyware Enterprise Module
  281. McAfee AntiSpyware Enterprise
  282. McAfee Antivirus Software
  283. McAfee Desktop Firewall
  284. McAfee Firewall
  285. McAfee Firewall Protection Service
  286. McAfee Host Intrusion Prevention
  287. McAfee McAfee Security Scan Plus
  288. McAfee Personal Firewall Plus
  289. McAfee Security Center
  290. McAfee Site Advisor
  291. McAfee SiteAdvisor Enterprise Plus
  292. McAfee SpamKiller
  293. McAfee Total Protection
  294. McAfee Virus Scan Enterprise
  295. McAfee Virus and Spyware Protection Service
  296. McAfee VirusScan
  297. McAfee VirusScan Enterprise
  298. McAfee VirusScan Home Edition
  299. McAfee VirusScan Professional Bonus Pack
  300. Microsoft AntiSpyware
  301. Microsoft Forefront Client Security Antimalware Service
  302. Microsoft Forefront Client Security State Assessment Service
  303. Microsoft Forefront Server Security
  304. Microsoft Security Client
  305. Microsoft Security Essentials
  306. Microsoft Windows Live OneCare
  307. NANO AntiVirus
  308. NAVER Anti-virus
  309. Nifty Security24
  310. Nifty Security24 Assistant Tools
  311. Norman Endpoint Protection
  312. Norman Endpoint Protection Stand Alone
  313. Norman Personal Firewall
  314. Norman Security Suite
  315. Norman Virus Control
  316. Nortel Networks Contivity VPN Client
  317. Norton 360
  318. Norton AntiVirus
  319. Norton AntiVirus 5 for Windows NT Workstation
  320. Norton AntiVirus Corporate Edition
  321. Norton AntiVirus Professional Edition
  322. Norton Antivirus Software
  323. Norton Confidential
  324. Norton Internet Security
  325. Norton Internet Security Professional
  326. Norton Security
  328. Online Armor Panda Cloud Antivirus
  329. Orange AntiVirus Firewall
  330. Orange Launch pad
  331. Orbit Downloader
  332. PC Safe - 2345
  333. PC Tools AntiVirus
  334. PC Tools Firewall Plus
  335. PC Tools Internet Security
  336. PC Tools Spyware Doctor
  337. PC-cillin AntiVirus
  338. Panda AdminSecure
  339. Panda Antivirus
  340. Panda Antivirus Pro
  341. Panda CLient Shield
  342. Panda Dome
  343. Panda Endpoint Protection
  344. Panda Free Antivirus
  345. Panda Global Protection
  346. Panda Gold Protection
  347. Panda IS  for Netbooks
  348. Panda Internet Security
  349. Panda Platinum Internet Security
  350. Panda Security for Desktops
  351. Panda Security for File Servers
  352. Panda WebAdmin AntiVirus
  353. Password Manager XP
  354. PeoplePC EarthLink Protection Center
  355. PeoplePC Internet Security
  356. PeoplePC Internet Security Pack
  357. Prevx
  358. PrivateFirewall
  359. Quick Heal AntiVirus Plus
  360. Quick Heal Total Security
  361. RAV AntiVirus
  362. Rising AntiVirus
  363. Rising Antivirus  Virus Killer
  364. Rising Internet Security
  365. Rising Personal Firewall
  366. SUPERAntiSpyware Free Edition
  367. Securitoo AntiVirus Firewall
  368. Sophos Anti-Virus
  369. Sophos Antivirus
  370. Sophos AutoUpdate
  371. Sophos Endpoint Security and Control
  372. Sophos Enterprise Console
  373. Sophos NAC Application Server
  374. Sophos Safeguard
  375. Sourcenext ZERO Super Security
  376. Sourcenext ZERO Super Security Agent
  377. Spam Monitor
  378. Spybot - Search & Destroy
  379. StarForce SafenSec
  380. StarForce SafenSec Pro
  381. Steganos Internet Anonym Pro
  382. Subelt iHate Spam
  383. Sunbelt Kerio Personal Firewall
  384. Sunbelt Personal Firewall
  385. Sunbelt VIPRE
  386. Sunbelt VIPRE Antivirus and Antispyware
  387. Sunbelt iHate Spam for Outlook
  388. Super Security ZERO
  389. Sygate Personal Firewall
  390. Symantec AntiVirus
  391. Symantec AntiVirus Corporate Edition
  392. Symantec AntiVirus german
  393. Symantec Client Antivirus
  394. Symantec Client Firewall
  395. Symantec Client Security
  396. Symantec Endpoint Protection
  397. Symantec Endpoint Protection  FR
  398. Symantec Endpoint Protection Brazil
  399. Symantec Endpoint Protection DE
  400. Symantec Endpoint Protection Eng
  401. Symantec Endpoint Protection italy
  402. Symantec Norton 360
  403. Symantec Norton 360 Beta
  404. Symantec Norton AntiVirus
  405. Symantec Norton AntiVirusProfessional
  406. Symantec Norton Internet Security
  407. Symantec Norton Internet Security 2008
  408. Symantec Protection Agent
  409. Symantec.cloud - Cloud Agent
  410. TEGAM International ViGUARD
  411. Tiny Firewall Pro
  412. Tiny Personal Firewall
  413. Tremd Micro Security Server
  414. Trend Micro Anti-Spyware
  415. Trend Micro Anti-Spyware for SMB / Enterprise
  416. Trend Micro Antivirus+
  417. Trend Micro Browser Guard
  418. Trend Micro Client/Server Security Agent
  419. Trend Micro Damage Cleanup Services
  420. Trend Micro Deep Security Notifier
  421. Trend Micro Endpoint Application Control
  422. Trend Micro Internet Security
  423. Trend Micro Internet Security (Pro)
  424. Trend Micro Maximum Security
  425. Trend Micro OfficeScan Client
  426. Trend Micro OfficeScan Server
  427. Trend Micro PC-cillin AntiSpam Pilot
  428. Trend Micro PC-cillin Internet Security
  429. Trend Micro ServerProtect
  430. Trend Micro Titanium
  431. Trend Micro Titanium Antivirus Plus
  432. Trend Micro Titanium Internet Security
  433. Trend Micro Titanium Maximum Security
  434. Trend Micro Worry-Free Business Security Agent
  435. Trustport Antivirus
  436. Trustport Internet Security
  437. Trustport Total Protection
  438. Update for Windows
  439. V3 Lite
  440. VIPRE Advanced Security
  441. VIPRE Antivirus
  442. VIPRE GFI Business Agent
  443. VIPRE Internet Security
  444. VIRUSfighter
  445. Vexira Antivirus CMS
  446. Vexira Antivirus Professional
  447. Vexira Antivirus for Windows Servers
  448. Vexira Antivirus prof
  449. Vexira/VirusBuster Antivirus Professional
  450. ViPNet Office Firewall
  451. ViPNet Personal Firewall
  452. ViRobot Desktop
  453. ViRobot Desktop ISMS
  454. ViRobot ISMS Client
  455. ViRobot Windows Server
  456. Virus Block ADA
  457. Virus Buster Internet Security
  458. Virus Chaser
  459. Virus Dr.
  460. Virus Security
  461. Virus Security ZERO
  462. VirusBlokAda AntiVirus
  463. VirusBuster Personal
  464. VirusBuster Professional
  465. VirusBuster prof
  466. Webroot AntiSpyware
  467. Webroot AntiSpyware Client
  468. Webroot AntiVirus
  469. Webroot Desktop Firewall
  470. Webroot Internet Security Essentials
  471. Webroot SecureAnywhere
  472. Webroot Software
  473. Windows Defender
  474. Windows Live OneCare
  475. Zillya Antivirus
  476. Zillya! Antivirus
  477. Zillya! Internet Security
  478. Zondex Guard
  479. Zone Labs IMsecure
  480. ZoneAlarm Anti-Spyware
  481. ZoneAlarm Antivirus
  482. ZoneAlarm Firewall
  483. ZoneAlarm Firewall Pro
  484. ZoneAlarm Free Antivirus + Firewall
  485. ZoneAlarm Free Firewall
  486. ZoneAlarm Internet Security Suite
  487. ZoneAlarm Security Suite
  488. ZoneAlarm Wireless Security
  489. ZoneAlarm with Antivirus
  490. avast! Antivirus Software
  491. avast! Free Antivirus
  492. avast! Internet Security
  493. avast! Pro Antivirus / Premier
  494. eConceal Firewall Standard for Windows
  495. eEye Digital Security Blink
  496. eScan Anti-Virus (AV) for Windows
  497. eScan Anti-Virus Edition
  498. eScan Anti-Virus for SMB
  499. eScan Corporate for Windows
  500. eScan IIS for SMB
  501. eScan Internet Security Suite 9
  502. eScan Virus Control (VC) Edition for Windows
  503. eTrust Anti-Spam
  504. eTrust Antivirus
  505. eTrust EZ Antivirus
  506. eTrust EZ Firewall
  507. eTrust Personal Firewall
  508. iHateSpam for Microsoft Outlook
  509. nProtect Antivirus/Antispyware
  510. nProtect Personal
  511. ウイルスバスター クラウド
  512. クラウドセキュリティ ZERO



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17 hours ago, exile360 said:

So you mean even with Ransomware Protection enabled you are no longer experiencing any issues?  If so then that's great news and I hope that this new build resolves the problems for everyone.

I'm not experiencing problems at this time, no.  I should mention I am still using Malwarebytes 3.  Ever since Malwarebytes 1 I have always waited a while before installing the new version.

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9 hours ago, KR9E said:

Disabling Ransomware while using MB 3.8.3 works nicely.  I was running MB 4.0 at the time the KIS20 "evil" patch was released.  Disabling Ransomware in MB 4.0 does NOT eliminate the issues.  I had already done that before MB upgraded to 4.0 in order to get it to work. 

Unfortunately, like DrMopp and probably many others, I did not know all of that when the new problems first occured.  In fact, I didn't even know it was a MB/KIS incompatibility problem initially.  Looked like a Firefox, Thunderbird, etc problem to me since multiple instances (one of which would never close) appeared on the Task Manager.    Although I had disabled Ransomware a month or so before these recent issues came up (and had MB/KIS working nicely together until the new KIS patch combined with MB 4.0), I wasn't smart enough to immediately find the temporary fix.  The information from you and this forum enabled me to do that. 

That's the trouble with problems like this,  you don't initially know what's causing them and it can be damn annoying trying to ascertain the cause.  I thought my OS may of had integrity violations and it was only when I went back to an earlier Windows image that the problem went, until it came back again.  I had to analyse what I had done between reverting to the earlier image and when the problems began again, and there was only one thing and that was upgrading KIS 19 back to 20, so I went on the forums and slowly information begins to flow regarding a recent patch etc, etc.

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  • 3 weeks later...

It would appear Malwarebytes have taken a firm finger pointing stance or are under some allusion their clients would use Malwarebytes instead of Kaspersky and therefore it is legitimate they blame someone else for their software's problem.  Can the prompts to enable ransomware protection be stopped?  Will they recur if a new version is installed?  TIA

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  • 2 weeks later...

Rookie user here.

Windows 10 x64



MB Premium 4.04

No issues what so ever on my machine, everything is running fine.


Went to run update on KTS and it states 'incompatible software detected'. It wants me to remove MB version 3.x.


I have MB 4.04 so why is KTS talking about 3.x?


Do I risk upgrading KTS? and ending up with KTS20 (e)/(f) and then having all the issues previosuly stated?


Do I let KTS remove my MB or do I manually remove MB first before KTS update? and then reinstall MB 4.04, or do I NOT remove MB and update KTS anyway? 

Should I wait for  KTS20 (g) (h) (i) etc before updating?


Any advice would be greatly appreciated.


Thank you



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  • 2 months later...
  • Staff
44 minutes ago, smipx013 said:

That's a real shame. You would have thought it would have been given a slightly higher priority - paying customers have been patiently waiting and its a poor show.

We appreciate your patience with this issue. Rest assured, we are trying to get an update out that addresses this as soon as possible.

We'll post an announcement to this forum section once it's available.

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  • Root Admin

Greetings, all. We'd like to let you know we've released a new Beta version which addresses this issue. More information here:


Edited by AdvancedSetup
updated information
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Greetings, all. We'd like to let you know we've released a new Beta version which addresses this issue. More information here:


I just updated and I'm on ver   - 1.0.20694 and firefox still won't load. Thunderbird seems OK though...

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Have been running MB 3.8.3 with Ransomware Module turned off since December 4, 2019 along with Kaspersky 20 latest.  This combination works fine.

Cleared Beta releases for MB and installed this morning after reading messages posted here.  As reported by JBRANER above, Firefox won't open, did not try Thunderbird.

Reinstalled MB 3.8.3 and all is well.

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  • Staff
5 hours ago, jbraner said:

I just updated and I'm on ver   - 1.0.20694 and firefox still won't load. Thunderbird seems OK though...

Greetings, @jbraner -

Can you please collect and upload the diagnostic data using our MBST?

  • Download and run the Malwarebytes Support Tool
  • Accept the EULA and click Advanced tab on the left (not Start Repair)
  • Click the Gather Logs button, and once it completes, attach the zip file it creates on your desktop to your next reply
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  • Staff

Hi @jbraner - thanks for providing those logs. They do provide a reason you're still seeing the same issue.

This is the component version in your logs
Controllers Version:     1.0.848

This shows the Beta setting is not enabled
Beta Application Updates:       OFF

The release 1.0.853 which has this fix is in Beta. To obtain the Beta release, you'll need to enabled Beta updates in the Malwarebytes application.

To do so, go to Settings > General > Beta updates and toggle that setting on. Then, click on Check for updates at the top of the same General tab.
You should be on Component package version 1.0.853 after the Beta is applied.

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It's often a challenge when dealing with a topic like this where there are multiple posters,

But this is an attempt to help things along.

I see that Jbraner does not want to get into the Beta.  

For folks who want to apply the latest beta,  here are some tidbits along with pictures.

The latest focus of this topic is to have folks aware that the fix for Kaspersky is in the BETA.   The very latest BETA MB4.

When one has MB4  and the Beta option on, you will see this  /  and note the most important bit is to have "Component package 1.0.853 "

The first thing is to have MB4  and select to be in the Beta



Once you do that, then you do a Check for Updates and follow all prompts to apply the update.   When that is done, take a look in Settings > About section to make real sure  that it reports the COMPONENT PACKAGE  as 1.0.853



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1 hour ago, jbraner said:

Ahh OK  - I knew it's not beta, but just assumed the "non beta" update had the fix, since it has the same number for the first part and higher for the second.

I'll avoid beta versions for now as I have enough to worry about. ;)

Understood. Thanks for helping us understand your situation so quickly.

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Malwarebytes Components Update: version 1.0.854 addresses Certain Ransomware protection incompatibilities with Kaspersky

This release includes, along with other things, the fix for Kaspersky, iTunes and Photoshop

If your PC is already on Version 4  ( regular or beta) you will be updated to it automatically as long as automatic updates are enabled. If you have temporarily disabled them then please enable them to allow this update.


The original Kaspersky conflict issue was due to a change made by Kaspersky on their Antivirus E) programs. As their change was causing issues for our users we took it upon ourselves to work on developing a workaround for this conflict.

Kaspersky Anti-Virus 20 version was released on July 24, 2019
Patch E for Kaspersky Anti-Virus version was released on October 23, 2019 which is when the issue was first reported to us.
Patch I for Kaspersky Anti-Virus version was released on February 18, 2020 and is the latest at the time of this posting on 2020-03-19


Please note that although our update works around this issue, at any time in the future another update from Kaspersky could once again potentially create another conflict. This applies to most other security software as well since we do not have control over what other security program changes other vendors make. On Windows 10 the built-in Microsoft Windows Defender has consistently worked pretty well alongside Malwarebytes when enabled for quite a while now for those that have chosen to use it.


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