BSOD, While Working On System

Your BSOD is being caused by Norton:

Code:

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Use !analyze -v to get detailed debugging information.

BugCheck 1A, {41284, 11b68001, 8b8b, c0402000}

*** WARNING: Unable to verify timestamp for SYMEVENT.SYS
*** ERROR: Module load completed but symbols could not be loaded for SYMEVENT.SYS
Probably caused by : SYMEVENT.SYS ( SYMEVENT+170a9 )

Followup: MachineOwner
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Driver Reference Table - SYMEVENT.SYS

Please remove Norton using the Norton Removal Tool. Then replace it with a combination of Microsoft Security Essentials, and Malwarebytes anti-malware

Tip: When installing Mbam be sure to uncheck the box asking you to start a free trial

Unfortunately that's just the nature of the software, I used to use Norton for years, all it ever did was bog down my system then corrupt its self and shut down all access to the internet until I removed it.