I built my custom pc a few months ago and all worked great but after a few months i got blue screen of death with different messages ex. Memory mangement, i had to turn on my computer when it got bsod i turned it off, and opened my pc take my ram out put it in again then i turn on my pc again and everything works greats except i can't download service packs and when i delete something from my desktop the transfer keeps showing but it's already deleted. should i return my ram or is there something else i can do. sorry for my bad english.