You can attempt to repair this file by starting windows setup using the original setup CD rom
Select 'r' at the first screen to start repair.
I've googled this to death & it seems to be a very common problem & ive been trying loads but i cant seem to find the solution for me, I dont want to re install windows as there are documents i dont want to loose
I can launch the repair recovery cosole thingy & can get as far as the command prompt type screen but when i try to type the command copy c:\windows\system32\config\system c:\windows\tmp\system.bak as per the microsoft KB article i just get Access is denied.
Also tried the chkdsk /r command & just get the volume appears to contain one or more unrecoverable problems.
Please help me, im tearing my hair out.