Start with
http://www.google.com/search?hl=en&ie=UTF-8&q=WKSWP+caused+an+invalid+page+fault+in+module+KERNEL32.DLL
It's all of 13 hits so you can see if it helps.
Bob
When booting up, I get the following 3 error messages:
Wnclientcookie has caused error in KERNAL 32.DLL.
WKSWP caused an invalid page fault in module KERNEL 32.DLL at 0197:bff614ac
Sndsrvc has caused an error in KERNEL32.DLL

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