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Malwarebytes won't update or even run

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I am repairing an XP machine, 32 bit, that was being protected with pro version of malwarebytes. Owner noticed that malwarebytes would not update. When I tried to do so manually it ended abruptly. Now it won't even run at all. I got a program I've used before called rkill.exe and it found serveral processes as viruses ( rundll32.exe, explore.exe ). I tried to reinstall malwarebytes under safe mode - would install, but not run.

I have a safe computer with malwarebytes on it so I zipped the program files ( and database ) and tried to restore to the infected computer. mbamext.dll was now listed as a read-only password protected file. So I deleted all other files in the directory, moved mbamext.dll out of that directory, then restored malwarebytes from zip file. When I tried to run I was able to get malwarebytes to start, but when I pressed scan malwarebytes disappeared.

At bit of a loss here, any assistance would be appreciated.


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Hello and welcome to Malwarebytes

Since you are infected, and the infection is the reason why Malwarebytes will not run, here are the steps needed to get your computer cleaned....

Please read the following so that you can begin the cleaning process:

Don't use any temporary file cleaners unless requested - this can cause data loss and make recovery difficult

You have 3 Options that you can choose from as listed below:

  • Option 1 —— Free Expert advice in the Malware Removal Forum
  • Option 2 —— Paying customer -- Contact Support via email
  • Option 3 —— Premium, Fee-Based Support


As we don't deal with malware removal in the General Malwarebytes' Anti-Malware Forum, you need to start a topic in the

Malware Removal forum so a qualified helper can help you fix any malware related problems/infections you may have.

  • Please read and follow the directions here (http://www.malwarebytes.org/forums/index.php?showtopic=9573), skipping any steps you are unable to complete.
  • After posting your new post, make sure under options, you select Track this topic and choose Immediate Email Notification,
    so that you're alerted when someone has replied to your post.

NOTE: Please do not post back to (bump) your topic within the first 48 hours.

Replying to your own posts changes the post count and helpers are looking for topics with zero replies.

If you reply to your own post helpers may think that you're already being helped and thus overlook your post.

  • If there is no reply from any experts after 48 hours, you can reply to the topic, asking for help again.
  • You may send a Private Message to a Moderator asking for assistance.


Alternatively, as a paying customer, you can contact the help desk at support@malwarebytes.org or here (http://helpdesk.malwarebytes.org/home)


If you would like to use our Malwarebytes Premium Services, Comprehensive solutions to all your computer support needs—from installation and set-up to troubleshooting and tune-ups go to our Malwarebytes Premium Services support site here (http://www.malwarebytes.org/premium-support.php)

Please be patient, someone will assist you as soon as possible.

PS: Please use the "Add Reply" Add-Reply.png button not the Reply button when you start replying.

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