Thanks, XXXXX XXXXX indicates an issue in windows.
Can you please do the following
Download CC Cleaner (free) from hereCC Cleaner
(Click Download Latest Version on the top right)
Run it and let it scan and repair your registry.
Once done, restart the computer
Click Start, All Programs, Accessories, right click on Command Prompt and select Run As Administrator.
A black window will open.
Type in it
press enter and when it has completed, type in
It will complain the Volume is in use and to run on restart. Say YES and restart the computer
Click Start, type in MSCONFIG and press enter.
Click on the Startup Tab and click Disable All.
Click on the Services Tab and click "Hide All Microsoft Services"
Then click Disable All
Click ok, restart and let me know if it then starts please
Then reset Word again via this linkhttp://support.microsoft.com/kb/822005
Restart the computer and test.
Let me know the results please