Installation af spil

For the install issues, Another program may be interfering with the installation. Try selective startup to get around this.

For Windows Vista users:

Click Start and in the "Start Search" field type "msconfig" and hit Enter.
In the General tab:

1. Choose Selective Startup
2. Disable (uncheck) Load startup items
3. Click OK and Reboot

Windows XP users:

Click Start and select Run, then type "msconfig" and click OK.
In the General tab:

1. Choose Selective Startup
2. Disable (uncheck) Load startup items
3. Click OK and Reboot

Then try installing the game again. If you continue to have issues, try more steps here:
http://us.blizzard.com/support/article.xml?articleId=21058