Problem with my whole computer, about to threw the window...

I guess this is where i post this im not sure just really frustrated. To start my computer takes FOREVER to start up im talking 5-8 hours. First it sits on the MSI motherboard screen for a few hours then on the loading windows screen for a few hours.This has happend once before just not near as bad so i knew not to turn it off just put it in hibernation and that was working great. Well yesterday i got my Atrix (cell phone) and installed the motorola drivers to sync my media to my phone well my computer crashed and turned it self off, and when i tried to turn it on it took almost a full day but it finally booted. But sure enough it crashed again. So the next morning i got the boot menu pulled up and did a back up, nothing was changed except my wallpaper for some reason but it was working so i took of the new drivers did a full virus scan, defrag, wiped all of the free space the whole nine yards and it worked for an hour but it crashed once again. All of my icons and the windows bar at the bottom disappeared. but lucky for my i have 3 monitors and my widgets didn't disappear so i was able to pull up a firefox browser and ask you guys what i can do.

I know this is long and kinda confusing but im desperate here and very tired, i have been up since 3 this morning. Im about 5 seconds from throwing this thing out the windows and hooking up my old Dell with XP and Ubuntu

Sounds like a dying motherboard.
The MSI post is completely unrelated to the version of windows you are running.

If the motherboard is in fact on it's way out, replacing it is really all that can be done. It's a hardware matter.

If you are accurately describing it though and the motherboard (msi) post is staying on screen for that long. It is definitely a hardware matter.

If you replace with the same motherboard, it shouldn't be an issue. If you replace with a different model motherboard It could prove problematic.

If you are talking about just reading the drive, it should read in any computer, but as for booting with it. You need similar hardware.

Oh you misunderstood, you can continue to use your key so long as it's only in use on one computer at a time (and they will know) You will have to reformat and reinstall windows if the hardware changes though. This is due to the different system settings and drivers required for the new hardware. Not because of a windows key limitation.