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Hi All, I am brand new to this forum so I don't know if this question has been asked before. When I try to update my Malawarebytes, it will not update and I get an error message. It says:


Does anyone have any idea what I should do? Thanks so much.

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Welcome Marion -

Please try these steps first -

  • Open Internet Explorer
  • Note: It MUST be Internet Explorer, not Firefox, Opera, Chrome or any other internet browser
  • Click on Tools at the top and select Internet Options
  • Note: If you do not see Tools, press the Alt key on your keyboard and it will show up
  • Click on the Connections tab
  • Click on the LAN settings button
  • Under Automatic configuration make sure that the box next to Automatically detect settings is checked, if it is not, then click the box next to it to check it
  • Click on the OK button to close the Local Area Network (LAN) Settings window
  • Click on the OK button to close the Internet Options window
  • Use this diagram as a guide
  • Try updating Malwarebytes' Anti-Malware again and if it does not work then please proceed to Step 02


Disable Internet Explorer Proxy Settings and Reset TCP/IP

It is very important that these steps be carried out exactly as shown otherwise the fix will not work.

If you have any questions please ask before moving on.

  • Please start Notepad and using your mouse make sure you select and copy all the information below in the Code box into your new document.
  • Then save the file as "fixme.bat" to your Desktop - The .bat extension is important
  • In the drop down box for Save as type: make sure you select All Files (*.*) and keep the quotes on the name as well. Then close the new file.
    reg delete "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyServer /f
    reg delete "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyOverride /f
    reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v ProxyEnable /t REG_DWORD /d 0 /f
    reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings" /v GlobalUserOffline /t REG_DWORD /d 0 /f
    netsh int ip reset resetlog.txt

  • On Windows XP you can double-click the file to run it.
  • On Vista/Win7 you need to Right click the file and choose Run as administrator to run it. With User Account Control on it should ask permission to run it. Click Yes
  • This will flash a black DOS box very quickly and go away, this is normal.
  • Restart your computer now.
  • Launch Internet Explorer and see if you can connect to the Internet.
  • Launch MBAM and check for Updates

Thank You -


If this has not fully solved it , please post back -

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I followed the instructions listed here, had to do both step 1 and step 2. I got the black DOS box, and it did go away as you said. I restared, could get on internet explorer just fine, so tried to update malawarebytes with no success. Got the same error code. Is there anything else I can try?

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Hi again -

Can you click on your M.S.E antivirus and using This Example please exclude the following files from your antivirus:

Note: If using a software firewall besides the built in Windows Firewall you'll need to exclude them from it as well

For Windows XP:

  • C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe
  • C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe
  • C:\Program Files\Malwarebytes' Anti-Malware\mbamservice.exe
  • C:\Program Files\Malwarebytes' Anti-Malware\zlib.dll
  • C:\Program Files\Malwarebytes' Anti-Malware\mbam.dll
  • C:\Program Files\Malwarebytes' Anti-Malware\mbamext.dll
  • C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes' Anti-Malware\rules.ref
  • C:\Windows\System32\drivers\mbam.sys
  • C:\Windows\System32\drivers\mbamswissarmy.sys

Thank you -

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Hi again Marion -

Post #2 should have cured this , so try for a clean copy of the program using this method -

To Fully Remove and Reinstall a Fresh New Copy of Malwarebytes - Read Carefully

Windows XP:

  • Click on Start and select Control Panel
  • Open Add/Remove Programs
  • Uninstall Malwarebytes' Anti-Malware
  • Restart your computer very important !
  • Download and run mbam-clean.exe from here

It will ask to restart your computer, please allow it to do so, very important

After the computer restarts, temporarily disable your Anti-Virus and install the latest version of Malwarebytes' Anti-Malware from here

Note: You will need to reactivate the program using the license you were sent via email if using the Pro version only -

Launch the program and set the Protection and Registration. Then go to the UPDATE tab if not done during installation and check for updates.

Restart the computer again and verify that MBAM is in the task tray if using the Pro version. Now setup any file exclusions as may be required in your Anti-Virus/Internet-Security/Firewall applications and restart your Anti-Virus/Internet-Security applications. You may use the guides posted in the FAQ's here or ask me and I'll explain how to do it.

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A very knowledgeable friend who does remote assistance a lot was helping me last night and she asked how I uninstalled the program, I told her through add/remove. She said we should use Revo and so took the program off there and then reinstalled it. We did use the install that I had downloaded a few days ago. Today I told her that I had done all that you suggested with no luck. Maybe in a day or two I will try it again. The program does work as far as scanning the computer, I used it today. It just won't update.

I do thank you very much for your help. We will get this working one of these days. :rolleyes:

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Hi -

The reasons for not just using Revo are several - First you need to make sure it is fully out of the programs list with Add/Remove -

Next the mbam-clean.exe program is required to remove other traces - The reboot between each stage is also required to ensure it has 'taken' -

Then the reinstall without your Antivirus/Firewall blocking any items to get the first update is important also -

The older version (that was the one removed) is never the one that should be reinstalled (hence the mbam-clean.exe) program -

I have worked with Remote Repairers prior to this (using CrossLoop and other programs) and also had success, however if it can be done by you it is better -

Just my observations - I hope you and your friend can fix it - If not please post back -

Thank You -

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I did the uninstall as you said to do........add/remove...reboot...did the mba cleaner, rebooted........turned my mse off, did a clean install and yet it still will not update. I think I give up. I do thank you so much for your help. It is really appreciated.

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  • 2 weeks later...

I wanted to report that last night my program updated. I have no idea why because after all of the things I did, it would not. It was scanning but not updating but I decided to try it last night and lo and behold.....it did it.

So I thank you all for your help. It is nice to know that we have a place to come to where we can get help. I really appreciate it.

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