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Quickscan freeze at pwrshplugin.dll

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Title says it all, I have updated to the latest version of Mbam (no problem) and I'm using Win7 64 bit. I do a quickscan and it reaches c:\window\win32\pwrshplugin.dll and will just freeze up. I have to bring up the task manager to end the program at this point. I tried scanning this file by itself and Mbam says theres no malicious software. I tried using atf-cleaner and CC cleaner with no help...any suggestions?


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Hi Dave -

Please try this first as your copy of the program may be faulty -

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

Windows Vista and Windows 7:

  • Click on the Start button and select Control Panel
  • Click on Programs and Features
  • 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 reset 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.

Then Run a Disk Check on your C: drive in Windows Vista or Windws 7: as described below -

  • Click the Start button and select Computer
  • Right-click on C: and select Properties
  • Click on the Tools tab
  • Under Error-checking click the Check Now... button and click Continue at the User Account Control prompt
  • Mark the box next to Automatically fix file system errors and Scan for and attempt recovery of bad sectors
  • When the message box pops up, click the Schedule disk check button and restart your computer
  • Once your computer restarts it will check the drive, don't press any keys so that it is allowed to do the check

Thank You - :D

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  • Root Admin

Please try running a FULL disk check on the drive and see if that helps.

This is for Vista but the same method should be valid for Windows 7

How to Run Check Disk at Startup in Vista

Basically you need to start an Administrative/Elevated DOS prompt and the run


Tell it yes to run it on reboot and then reboot and let it check the drive.

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I ownly have Windows Defender as another virus scanner, do I need to disable this?


Hi -

I think you need to uninstall Windows Defender and install Microsoft Security Essentials (MSE) - Defender was the basic version -

MSE is a much better program now - It is still a free program from M/soft -

There is a 'Live Link' in my signature to download this program - Just click on it to go to the download site -


Any luck so far Dave ??

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FIXED Okay, I missed the last part of your first post, re-read and did what you asked and it just finished a full check (took 3 hours I have a 1 TB drive). It seemed to say it fixed some clusters and then spent a ton of time checking empty sectors. But upon booting afterword MBam seems to be working, no hangups. I just hope this means my hard-drive isnt going, I really dont need the hassle now. But hey, thanks for the fix, if this isnt in a sticky post it should be.


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