IF you mean you want to fix it the first thing to look at is your memory. right click on task bar and click task manager and goto the performance tab and look at your memory. Usually its the memory...
Can depend on what caused it. It means the machine can't decide what to do next so it goes belly up (BSOD).If you installed some new hardware the problem might be that....called a driver problem...
This would depend on the error number on the blue screen There are 3 step to repair blue screen error If you got blue screen error then there is a 94% chance that your computer has registry problems....