Talk:Troubleshooting/@comment-173.20.209.53-20110826135548/@comment-190.82.218.249-20110916071221

Did you solve it? because the support system gave me a few solutions and they actually worked c:

here you go:

The first and most common solution is to force the patcher to repatch itself. You can do this by deleting this folder: C:\Riot Games\League of Legends\RADS\projects\lol_launcher If you chose a custom install path, the folder may be in a different location.

Many players also fixed this problem by disabling the UAC(Windows Vista and Win7 Only) Here is a short guide to disabling the UAC: http://www.howtogeek.com/howto/windows-vista/disable-user-account-control-uac-the-easy-way-on-windows-vista/
 * Be sure to use the "Never notify me when:" setting

Other less common solutions include: - Manually Updating/Installing the .Net Framework 3.5 http://www.microsoft.com/downloads/en/details.aspx?familyid=333325fd-ae52-4e35-b531-508d977d32a6&displaylang=en

- Making sure you are running the game as an administrator. a) Right-Click on the short-cut b) Select the properties tab c) Check the box labeled "Run as administrator"