The error message usually states that there is a file missing or corrupt and names what the file is. Try this routine to repair the MBR as that should get it booting again.
Go to the Command prompt and type in these commands one at a time and hit the Enter key after each one. Make sure you include the gap in all lines just before the /.
Bootrec.exe /FixMbr
Bootrec.exe /FixBoot
Bootrec.exe /RebuildBcd
After this third command you will get a message that would give the impression there is no Windows installed, don't worry, it always displays the installed OS as '0'. As long as it says "Operation Completed Successfully" then all is well.
Then type exit and hit Enter and manually reboot the PC. See if it will now boot and post back any error message you receive.
If it won't boot try this command from the command prompt, this will effect other systems boot records if you have a dual boot on your drive.
Bootsect.exe /nt60 all /force
Again type exit and reboot.
The software wisefixer.exe is highly dubious, there are many sites that offer it and the vast majority carry a Web Of Trust high level warning. You should never have to use any kind of tune up utility on Windows 7 and it is more likely to do harm than good, uninstall it.
Let me know how you get on. Also tell me what files you were transferring, from where and where to?
Do you have the Windows 7 disc?
