Hi,
Please follow these steps to reinstall .Net Framework 3.5 sp1:
1. Download a fresh copy of the standalone installer for .NET Framework 3.5 sp1:
http://www.microsoft.com/en-hk/download/details.aspx?id=25150
2. Also, clear your %temp% directory and disable your AV software.
The %temp% directory is a reference to the Temp folder associated with the current user. To clear it, do the following:
Sign on to your system with the Administrator user account you will use to run the installer. Click the Start Orb and type %temp% in the search box. The search results will show the Temp folder you want. Click on the Temp folder to open it in Windows Explorer,
then delete the entire contents.
3. Run the installer from step 1 As Administrator.
Note: Just using an administrator account is NOT enough. To activate full privileges, you must right-click the installer, then select Run as administrator.
If the install fails, provide complete install logs as follows:
Please collect your install logs with this:
http://aka.ms/vscollect
After you run Collect.exe, you'll find vslogs.cab in your %temp% directory. Please upload the file to
https://skydrive.live.com/ and share the link here.
The complete log set is needed for analysis.
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