Windows will not start please help

Hi all,

I have had the following problem a few times. Each time I have just reformatted but I have the PC all set up now and dont have the time to reinstall as I have a ton of files on my main drive.

My PC starts starts resetting itself, then eventualy it gets to the stage where cycle redunancy checks happen and windows freezes. I then get the BSOD, then it wont start up at all and I get a screen saying unable to start then it goes into the "Start up repair" and it just runs and runs.

I havent installed anything lately other than Windows updates.

When I first started getting this error I thought it was due to me using a system tidy up tool. When it happened I was FTP'ing and the last 2 programs installed were FlashFXP and some other FTP program. I was also using Filezilla at the same time. I was searching transfering files from one server to another with FlashFXP and Filezilla was downloading a file from my box to the desktop.

My Harddrive is less than a year old and I have had no clicks etc. No hardware has been added lately or since the last format.

Can anyone point me in the right direction of repairing this?

If need be I will install Ubuntu to save my files and reinstall after that but I would rather fix the issue. I have tested the harddrive after the last format and it came up ok.

Help please.