pc restarting every like hour on wow :S

[Shady]

restarts saying '' system has recovered from a serious error''

i look in error report says

C:\DOCUME~1\DAVE&I~1\LOCALS~1\Temp\WER6b7b.dir00\Mini031208-02.dmp
C:\DOCUME~1\DAVE&I~1\LOCALS~1\Temp\WER6b7b.dir00\sysdata.xml

whats that any1 know lol????