NotAFan:
See if you can:
- Boot into Safe Mode (Note #1).
- Using Task Manager (CTRL-ALT-DEL), execute RegEdit (Note #2).
- Then Import the xp_exe_fix.reg without errors.
Note #1:
- How Do I Boot Into Safe Mode?
http://www.laplink.com/support/kb/article.asp?ID=102
Note #2: File menu, then hold down the CTRL key and click "New Task (Run)" and at the Command Prompt window. Enter REGEDIT.EXE and press Enter.