Several BSOD's and very random.. Plz Help
 

I am getting several BSOD's, and it is very random. I dont know what i have to do. Please help me. I have got system_services_exception, page fault in non-paged area, klif.sys, win32k.sys, ntfs,sys BSOD's. Please help me and tell me what i should be doing. Thanks in advance :) Crash Dump...