DefFactory.dat cannot be opened

I faced a problem while installing Visual Studio 2010.

The data file
'C:\Users\julien\AppData\Local\Temp\SIT37791.tmp\DefFactory.dat'
cannot be opened.

Solution :
Copy the following lines, and paste them into the above file.

[Version]
Signature = "$Windows NT$"
Provider="Microsoft Visual Studio 2010 Professional Edition - ENU"
Version=800.100.00
NullString=Null String
Lang=1033

[Scenario List]
vsscenario.dll

[Scenario Factory Information]
Default Scenario=11E4C8F3-425E-43b9-B689-8BFDF03342E2