Hi Xin,
could you please provide more details about the files, environment etc.?
- Which installation files did you use, from which SP/PL?
- On which OS do you try to install?
- Which user type, which permisson?
- Did you "Run as adminiustrator"?
- At which step this error occurs?
- Did you run a fresh installation or upgrade?
- Did you verify that VS C++ 2005, 2008 and 2010 has been installed before?
- Did you verify that .NET 4.0 has been installed before?
- What says the installation log?
Thanks and kind regards,
Andreas