World of warcraft problem

Hej

Jeg har et problem når jeg skal installere den nye patch til World of warcraft.

Den viser denne besked i slutningen af installationen.

På forhånd tak
Julegrisen

The file "C:\Program Files\Common Files\Blizzard Entertainment\World of Warcraft\Uninstall.exe" could not be created. If this problem persists, you may be able to solve it by uninstalling and then reinstalling the game. If you are unable to correct this problem, please contact Blizzard Technical Support. (InstallerFile::Create)