Are you tired of a custom skin you installed well this is how you get rid of it.
Step 1: Go into the ==Install Existing Skin== tab and find the skin you wanna get rid of. Once found Check the box next to the champions icon.
Step 2: Once the skin or skins you wanna unintall are checked click the unintall button at the bottom. Notice how the skin still stays there after uninstalling this is just incase you wanna re-install it in the future. Your Client should look like this "Should say No under the Installed subject.".
Step 3: You wanna delete the skin for ever sure just check the box next the the champion Icon one last time then hit delete. Now the skin is deleted and wont appear in the list.
Sh*ts f*cked What do I do?
Everything is broken, My custom skin is f*cked and it has broken everything about the game. Heres a few solutions for fixing any of these problems.
Step 1: In the skin Installer Client under the ==Install Existing Skin== tab find the skin that broke everything and check the box next to the champions icon.
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Step 2: Once selected click the Fix Skin (Re-path) Button. This will Unintall the skin you have selected and fix all of it's path hopefully fixing the problem.
Solution 2
If the first Solution did not fix the problem this will forsure fix it.
Step 1: Open your league of legends client, click the Gear Icon at the top right of the client. Once clciked you will see an options window click repair and then yes. This basiclly goes through all of your league of legends files to make sure none of them are corrupted or messed up.
Note this will take a very long time but your problem will be fixed.