Can Parallels 3.0 and Boot Camp share XP License??

Error Code 0x80004005

I was successfully using XP via both boot camp and parallels for the first few days after installation. Now I can use XP via boot camp, but when trying to access via Parallels I get a message saying windows needs to be activated. I click on OK to activate now, but then get another message: "There is a problem preventing Windows from accurately checking the license for this computer. Error Code: 0x80004005."

Does anyone know a solution to this? I have not been able to find a solution to this elsewhere.

 

Procedural error, may need to reinstall.




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Of course, I'd like to try to avoid a complete re-install.

I followed the directions from MS for this Error Code, which required replacing several system32 files associated with activation from the XP CD. The files are:
wpa.dbl
pidgen.dll
actshell.thml
licdll.dll
regwizc.dll
licwmi.dll
wpabaln.exe

I still get the same error.