解决方法(在 WinXP/Win2000 上通过):
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Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/MSIServer]
"ImagePath"=-
"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,/
74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,/
00,73,00,69,00,65,00,78,00,65,00,63,00,2e,00,65,00,78,00,65,00,20,00,2f,00,/
56,00,00,00
; ImagePath = %SystemRoot%/System32/msiexec.exe /V
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