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Mbam Installation Fails

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My installation fails with the unusual error:


(Run-time error '339':

Component 'vbalsgrid6.ocx' or one of its dependencies not correctly registered.)

I've used the MB's "clean" program several times, as well as revo's uninstaller, searched the registry and files on all disks, and cleaned all traces of Malwarebytes installation and remnant files. I've found things that the MB clean program fails to remove and removed them too.

For completeness, I tried to register the vbalsgrid6 program, but as you might guess, ocx files don't register with the regsrv32 program.

I've rebooted in between, disabled my Avira AV program, and reinstalled new downloads from links on the MB site. Nothing helps.

Malwarebytes was working perfectly up until the last upgrade. Then it started failing with event viewer message:

Faulting application mbam.exe, version, faulting module mbamcore.dll, version, fault address 0x00060ae0.

It was set to scan silently in the background on schedule. I set it that way because it was causing severe interruption of work when it came up in foreground for its scan. Previous to that setting I saw not faulting.

Now after installation, the event viewer shows that the mbamservice is failing to install and can't be found. I think this is the cause of the vbalsgrid6 error.

I've checked the sys files, and the enum section of the registry and mbamswissarmy.sys appears to be there, but I cannot start the mbamservice manually.

I doubt very much that I have an infection, my Avira scans clear, and all the mbam logs show clear up to the time the program started faulting. There are no other signs of infection. It's hard to believe there's a virus that causes mbam to fault and prevents its installation, but has no apparent other effect and isn't detected by Avira. But who knows?

Anyone have more suggestions?

Thanks for reading this.


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  • Root Admin

Hello Mwewe

Please run the following scanner and post back both logs.

from here:
or here:
and save it to your desktop.

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

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

Then double click
to run the tool, on
Vista or Win 7
right click and select
Run as administrator

Click the
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:

  1. DDS.txt

  2. Attach.txt

  • Save both reports to your desktop
  • Please include the following logs in your next reply:

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

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In case anyone reading is curious, the problem was in some internal permissions on XP system files. Ron sent me the tools and the system works beautifully again. Malwarebytes Pro and Avira are working together, each ignoring the other, using minimal memory and cpu cycles.

Malwarebytes rocks!

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