Using Visual studio 2010 I got problems when double-clicking, for example a config file (*.config). Visual Studio would open but give me a error message about parameters. If
If you disable UAC completely you can drag & drop from anywhere again. To do this you can't use the slider in the Control Panel because that only brings the UAC level down to 1. Make this registry change, reboot, and you can again use your computer like god intended.
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System]
"EnableLUA"=dword:00000000