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Exception unhandle amustor.sys


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#1 Dumwan

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Posted 08 June 2016 - 04:26 PM

Please help my pc won't start I was trying to fix slow Internet on windows 10 in the process I delete amd quik stream it took a while the it told me to restart now I get
Exception unhandled amustor.sys
Please help

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#2 usasma

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Posted 09 June 2016 - 07:00 AM

AmUStor.sys's description is "Alocr Micro USB Mass Storage Driver".

 

Here's some recovery/restore options (in this order):

- System Restore to a point before this started happening.

- DISM/SFC repair
    

Then please run the following DISM commands to see if there's any problems with the system (from an elevated (Run as administrator) Command Prompt).  Press Enter after each one:
   
Dism /Online /Cleanup-Image /ScanHealth
   
Dism /Online /Cleanup-Image /CheckHealth
   
Dism /Online /Cleanup-Image /RestoreHealth

    FYI - I have repaired systems using the last command even though problems weren't found with the first 2 - so I suggest running them all.

    From this article: http://technet.microsoft.com/en-us/library/hh824869.aspx

    You can also run sfc.exe /scannow from an elevated (Run as administrator) Command Prompt to check for further corruption.


- RESET using the "Keep My Files" option (W8 calls this a REFRESH; W7 and earlier doesn't have this function)

- Repair install of the OS (Thanks to FreeBooter!):
   

"How To Perform a Repair Installation For Windows 8, 8.1 and 10"
    https://www.winhelp.us/non-destructive-reinstall-of-windows-8-and-8-1.html

    "How to Do a Repair Install to Fix Windows 7"
    http://www.sevenforums.com/tutorials/3413-repair-install.html

    "How To Perform a Repair Installation For Vista"
    http://www.vistax64.com/tutorials/88236-repair-install-vista.html

    "Non-destructive reinstall of Windows XP"
    https://www.winhelp.us/non-destructive-reinstall-of-windows-xp.html


- RESET using the "Remove Everything" option (W8 calls this a RESET; W7 and earlier doesn't have this function)

If using W7 or earlier, this can be accomplished by resetting the system by use of the recovery partition/recovery disks/recovery drive.
If you don't have them, you can usually order them from the OEM manufacturer of your system ( US points of contact here:  http://www.carrona.org/recdisc.html )
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