Ok good, do a scan one more time, then you need to follow these instructions if you can 't boot into windows in either safe mode nor normal mode and startup repair doesn't work.
Actually you mentioned startup repair doesn't work, however is this the startup repair from the win 7 DVD that you are running? If not, first boot with the DVD then run startup repair to see if you can get to at least boot to win 7. If startup repair does not fix the problem follow these instruction: SFC /SCANNOW : Run in Command Prompt at Boot
after that runs, try startup repair from DVD again.
If still doesn't work, then do chkdsk /r from the command prompt in the recovery environment.
And if that STILL doesn't work, you may be running out of options other than repair install or clean reinstall