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Problem Starting Malwarebytes in Win 8.1

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I've used the free version of Malwarebytes for a couple of years w/o problem.  I recently loaded the program fresh onto a WIN 8.1 upgrade and find I am unable to open the program using the desktop icon.  If I reload the program, it will run --once -- and I'm unable to open the program again thereafter.  I never encountered this problem before and it is the only program among a couple of dozen on the desktop behaving this way.  Is anyone aware if this is a bug unique to the current release/  has anyone else had a similar experience?  If so, any fix suggested?  Thanks in advance.

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  • Root Admin

I don't recall this exact issue being reported.  Are you sure you're logging in with an Admin account?


Windows 8.1 has certainly changed quite a few things over 8.0 and there are reports on the Web of all kinds of applications having issues with this new version but I don't recall anyone having this same issue.


Please try the following and let us know if that corrects it or not.


MBAM Clean Removal Process

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Thanks for the input.  I followed the directions provided and downloaded latest ver from site (  Turned off antivirus beforehand.  The download file was extracted and run; Malwarebytes wiped. Re-booted as requested.  Reinstalled the downloaded file (free version).  Clicked on the desktop icon ... no response.  Program did not/would not open.  I right-clicked and checked it to run as administrator.  It STARTED to run (I had the normal popup ... do you wish to allow this program to change etc?) ; clicked OK and then nothing. 

I have a bunch of programs/program icons on my desktop and this is the only one behaving in this manner.  Further, this behavior commenced with the upgrade to WIN 8.1 from WIN 8.  I don't know if it matters but I'm running Norton Antivirus.  I have not tried the PRO version of Mal.Bytes but I doubt it would make a difference.  Thanks for the assist.

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Please post the requested logs below to see if we can tell what's going on....

Please run the tools below and ATTACH (do not copy and paste) the logs so someone can better assist you.

Please post an mbam-check log:

Create an mbam-check log:

  • Download mbam-check.exe from here and save it to your desktop
  • Double-click on mbam-check.exe to run it, it should then open a log file
  • Please attach the CheckResults.txt file which should now be located on your desktop to your next reply

Please run the following scanner and send back the logs.

Download DDS from one of the locations below and save to your Desktop



Temporarily disable any script blocker if your Anti-Virus/Anti-Malware has it.

How To Temporarily Disable Your Anti-virus, Firewall And Anti-malware Programs

Once downloaded you can disconnect from the Internet and disable your Ant-Virus temporarily if needed.

Then double click dds.scr or dds.com to run the tool

Click the Run button if prompted with an Open File - Security Warning dialog box.

A black DOS console should open and run for a moment.

  • When done, DDS will open two (2) logs:
    • DDS.txt
    • Attach.txt
  • Save both reports to your desktop
  • Please include the following logs in your next reply "as an attachment": DDS.txt and Attach.txt

    You can ignore the note about zipping the Attach.txt file in most cases.

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Strange happenings.  I was attempting (without success) to run DDS.  I was repeatedly getting the prompt "DDS is not meant to run in compatibility mode." Next step was to exit.  I continued playing with the program and it suddenly commenced working in a normal (almost) fashion.  What is camilion?  It popped up out of nowhere.  In any event, I am now apparently able to run Malwarebytes w/o a hangup.  I can't get DDS to run to produce the two requested reports but, on the bright side, I'm able to run the program and I'll quit while I'm ahead.


Thanks for the assist and hanging in there for me.

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