Phone Man Posted March 9, 2018 ID:1222874 Share Posted March 9, 2018 Is MB also required to set this key? Contact your antivirus manufacturer to verify that their software is compatible and that they have set the following REGKEY on the computer: Key="HKEY_LOCAL_MACHINE"Subkey="SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat" Value Name="cadca5fe-87d3-4b96-b7fb-a231484277cc" Type="REG_DWORD” Data="0x00000000” Link to post Share on other sites More sharing options...
Staff Malwarebytes Posted March 9, 2018 Staff ID:1222875 Share Posted March 9, 2018 ***This is an automated reply*** Hi, Thanks for posting in the Malwarebytes 3 Help forum. If you are having technical issues with our Windows product, please do the following: Spoiler If you haven't done so already, please run these two tools and then attach the logs in your next reply: NOTE: The tools and the information obtained is safe and not harmful to your privacy or your computer, please allow the programs to run if blocked by your system. Farbar Recovery Scan Tool (FRST) Download FRST and save it to your desktopNote: You need to run the version compatible with your system. You can check here if you're not sure if your computer is 32-bit or 64-bit Double-click to run FRST and when the tool opens click "Yes" to the disclaimer Press the "Scan" button This will produce two files in the same location (directory) as FRST: FRST.txt and Addition.txt Leave the log files in the current location, they will be automatically collected by mb-check once you complete the next set of instructions MB-Check Download MB-Check and save to your desktop Double-click to run MB-Check and within a few second the command window will open, press "Enter" to accept the EULA then click "OK" This will produce one log file on your desktop: mb-check-results.zip This file will include the FRST logs generated from the previous set of instructions Attach this file to your forum post by clicking on the "Drag files here to attach, or choose files..." or simply drag the file to the attachment area One of our experts will be able to assist you shortly. If you are having licensing issues, please do the following: Spoiler For any of these issues: Renewals Refunds (including double billing) Cancellations Update Billing Info Multiple Transactions Consumer Purchases Transaction Receipt Please contact our support team at https://support.malwarebytes.com/community/consumer/pages/contact-us to get help If you need help looking up your license details, please head here: https://support.malwarebytes.com/docs/DOC-1264 Thanks in advance for your patience. -The Malwarebytes Forum Team Link to post Share on other sites More sharing options...
Solution exile360 Posted March 10, 2018 Solution ID:1222915 Share Posted March 10, 2018 Yes, if registered with Security Center/Action Center in Windows it is (and does) required to set that key for compatibility with the update from Microsoft. The latest versions of Malwarebytes 3 do set this key accordingly so that the update will be offered/installed by Windows Update/Microsoft Update. Link to post Share on other sites More sharing options...
Phone Man Posted March 10, 2018 Author ID:1222923 Share Posted March 10, 2018 Does it set it if it is not registered? And how is it set? The reason I ask is there seems to be a problem with this key being deleted when W10 is shutdown and sometimes it won't restore. Big discussion about it over at Norton Forums. I had a problem where WU KB4090913 would not show in WU and I found this key missing. https://community.norton.com/en/forums/windows-update-kb4090913-nsbu Just trying to understand what is happening. Jim Link to post Share on other sites More sharing options...
Access Denied Posted March 10, 2018 ID:1222925 Share Posted March 10, 2018 (edited) I installed KB4090913 just today with no issues using only Malwarebytes 3 current version. I have Malwarebytes set to "Always register" where the 3 options are concerning the Action/Security Center. I hope this helps. EDIT: I even have Windows Defender totally disabled. Edited March 10, 2018 by Access Denied Link to post Share on other sites More sharing options...
Phone Man Posted March 10, 2018 Author ID:1222926 Share Posted March 10, 2018 On my systems I have MB set to Never Register and am depending on Norton to handle the key. On my laptop I removed Norton and defaulted to Windows Defender and MBAM (not registered) and it also seems to loose the key overnight after a shutdown. Jim Link to post Share on other sites More sharing options...
Access Denied Posted March 10, 2018 ID:1222928 Share Posted March 10, 2018 That is weird. I rebooted at least 3 times today and the key is showing for me in my registry right now. Link to post Share on other sites More sharing options...
Phone Man Posted March 10, 2018 Author ID:1222933 Share Posted March 10, 2018 On my systems the key normally disappear over night with the systems off. And after boot in the morning the key is still missing. Running Norton update will restore the key if it updates some definition files but not always. On the other system with Windows Defender it also looses the key overnight and takes a definition update to restore and that does not always work. I do have a reg file I can use to manually set the key should I need it to run Windows Update but just trying to find what is going on. The big question is why are we loosing the key overnight. Jim Link to post Share on other sites More sharing options...
exile360 Posted March 10, 2018 ID:1223047 Share Posted March 10, 2018 By the way, as far as I know based on what I've read on Microsoft's support site, this key is only used for determining whether or not Windows Update/Microsoft Update will offer the specific patch(es) for the Spectre and/or Meltdown vulnerability. As far as I know, once that update/those updates are installed, that reg key doesn't matter any more. That's just how I understood it based on what I've read though, and I could be wrong on that. Link to post Share on other sites More sharing options...
Phone Man Posted March 10, 2018 Author ID:1223059 Share Posted March 10, 2018 (edited) I agree, it is only used for MS to check before offering updates. That is how I found the problem. I was not offered the last Cumulative Update this past Tuesday as the key was missing. WU did offer some Office Product updates so they did not require the key. Just trying to understand the procedure that sets the key. It seams to depend on getting new virus updates but that does not always work. Jim Edited March 10, 2018 by Phone Man Link to post Share on other sites More sharing options...
exile360 Posted March 11, 2018 ID:1223149 Share Posted March 11, 2018 For Malwarebytes, at least as far as I know, it just sets the key during either install or launch (not certain which); I don't believe it depends on getting database updates, but Norton may be a different story. Link to post Share on other sites More sharing options...
Phone Man Posted March 13, 2018 Author ID:1223952 Share Posted March 13, 2018 (edited) Looks like the key is no longer needed with the latest Windows Cumulative Update and going forward. https://support.microsoft.com/en-us/help/4088776/windows-10-update-kb4088776 Jim Edited March 13, 2018 by Phone Man Link to post Share on other sites More sharing options...
dcollins Posted March 13, 2018 ID:1223953 Share Posted March 13, 2018 Malwarebytes sets the key on database update if the key is needed. As for why it would be removed, that would be something else as we don't remove that key. Link to post Share on other sites More sharing options...
plb4333 Posted March 14, 2018 ID:1224101 Share Posted March 14, 2018 10 hours ago, Phone Man said: Looks like the key is no longer needed with the latest Windows Cumulative Update and going forward. https://support.microsoft.com/en-us/help/4088776/windows-10-update-kb4088776 Jim Here's the latest info in regard to this: March 13 2018 https://support.microsoft.com/en-us/help/4072699/windows-security-updates-and-antivirus-software Link to post Share on other sites More sharing options...
lmacri Posted March 14, 2018 ID:1224209 Share Posted March 14, 2018 (edited) Users following this thread with Win 8.1 and earlier versions should note that the 12-Mar-2018 revision of Microsoft's Important: Windows Security Updates and Antivirus Software states that the AV compatibility check has only been lifted for "supported Windows 10 devices via Windows Update". From the More Information section of that support article: Quote Note: Customers running Windows 8.1 and earlier versions will not receive the January 2018 Windows security updates (or any subsequent Windows security updates) and will not be protected from security vulnerabilities unless and until their antivirus software vendor sets the following registry key: Key="HKEY_LOCAL_MACHINE" Subkey="SOFTWARE\Microsoft\Windows\CurrentVersion\QualityCompat" Value="cadca5fe-87d3-4b96-b7fb-a231484277cc" Type="REG_DWORD” Data="0x00000000” ------------32-bit Vista Home Premium SP2 * Firefox ESR v52.7.0 * NS Premium v22.12.1.15 * MB Premium v3.3.1.2183-1.0.262 Edited March 14, 2018 by lmacri Link to post Share on other sites More sharing options...
Phone Man Posted March 15, 2018 Author ID:1224553 Share Posted March 15, 2018 On 3/13/2018 at 2:01 PM, dcollins said: Malwarebytes sets the key on database update if the key is needed. As for why it would be removed, that would be something else as we don't remove that key. After testing this, I found that it looks like MB will only set the key if it is registered with Window Action Center. I toggled that option between Always and Never and the key was set when it was registered and then deleted when it was not. I leave on Never as I use Norton Security and it also sets the key after some definition updates. On my Laptop I removed Norton and use Windows Defender and MB. WD also sets it after an update. The problem is with MB registered it disables WD. It must be a Windows 10 thing that removes the key after being shutdown for a while and is waiting for the installed AV product to update. The latest version of Norton has killed its Automatic Live Update function (Norton is trying to fix it) and I need to do a Manual Live Update to get it going. This key problem only showed up because Norton was not updating in a timely manner. Thanks for the information as I now know what triggers the setting of the key. Jim Link to post Share on other sites More sharing options...
Access Denied Posted March 15, 2018 ID:1224575 Share Posted March 15, 2018 Microsoft removed the need for the key for updates in the Tuesday patch from what I read. Figures they would do this after we all get going on what sets, what doesn't and why and how all this works. MS - "hey, we got them all in an uproar about it now. let's just remove the need" Link to post Share on other sites More sharing options...
Phone Man Posted March 24, 2018 Author ID:1226764 Share Posted March 24, 2018 Looks like MS is still requiring the key. I have 2 systems that were not offered a cumulative update yesterday. KB4089848. Tried a bunch of times and no update. The key was missing and I added the key and then WU offered the update. Other people have seen the same thing. Both systems are running up to date Windows 10 1709 64it. One is running Windows Defender and the other Norton Security and both have MB Premium. I don't know what MS is doing but when I fail to get an update from WU my first move is to add the key. Confused but got it covered. Jim Link to post Share on other sites More sharing options...
lmacri Posted April 12, 2018 ID:1232195 Share Posted April 12, 2018 (edited) On 3/14/2018 at 8:17 AM, lmacri said: Users following this thread with Win 8.1 and earlier versions should note that the 12-Mar-2018 revision of Microsoft's Important: Windows Security Updates and Antivirus Software states that the AV compatibility check has only been lifted for "supported Windows 10 devices via Windows Update".... Just a quick FYI that the Microsoft support article Important: Windows Security Updates and Antivirus Software was revised on 10-Apr-2018. Microsoft has now lifted the AV compatibility check for Windows security updates for Win 7 SP1 and Win 8.1 in addition to Win 10. Quote April 10, 2018 Status Update We are lifting the AV compatibility check for Windows security updates for supported Windows 7 SP1 and Windows 8.1 devices via Windows Update. We continue to require that AV software be compatible, and in cases where there are known issues of AV driver compatibility, we will block those devices from updates to avoid any issues. We recommend customers check with their AV provider on compatibility of their installed AV software product. ------------32-bit Vista Home Premium SP2 * Firefox ESR v52.7.3 * NS Premium v22.14.0.54 * MB Premium v3.3.1.2183-1.0.262 Edited April 12, 2018 by lmacri Link to post Share on other sites More sharing options...
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