Monthly BSOD becoming Weekly; often after start up.

Hi

I've been having monthly BSODs for around a year; they're now becoming monthly.

It often happens around 5 minutes after start up. My computer is becoming slower and slower...

I have attached the .zip file.

Thanks for any help

GW

Avast seems to be causing problems. Please uninstall Avast and install Microsoft Security Essentials and Malwarebytes.

http://www.windows.microsoft.com/en-...tials-download

Malwarebytes | Free Anti-Malware & Internet Security Software

Code:

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Use !analyze -v to get detailed debugging information.

BugCheck 3B, {c0000005, fffff80003b5f990, fffff88002d1d130, 0}

Unable to load image \SystemRoot\System32\Drivers\aswSnx.SYS, Win32 error 0n2
*** WARNING: Unable to verify timestamp for aswSnx.SYS
*** ERROR: Module load completed but symbols could not be loaded for aswSnx.SYS
Probably caused by : aswSnx.SYS ( aswSnx+2c31a )

Thanks

Will follow your advice