سلام
راه حل اول:
1Press WINDOW+R to open the Run window, type "regedit" (no quotes) and press ENTER to execute. If a UAC dialog appears choose Yes to open the Registry Editor with elevated priveledges.
2. Navigate to HKEY_CURRENT_USER\Software\Classes.
3. Create a new key named ".vbproj" (.csproj in case of C#)
4. Run VS 2010 as an administrator.
5. Try creating a VB/C# project.
راه حل دوم:
http://www.texttoolkit.com/index.php...visual-studio- requested-registry-access-is-not-allowed&catid=35:technology&Itemid=55