man come on riot on my pos labtop I have no problems runnin LoL none but I get a new computer and I have to re install LoL 7 times in 2 days for a different problem

this works bump

same problem .................tried everything from admin start-up

Adobe Air update = Sucess for me =))
Bump

me no like this T^T no lol until fix

I had this problem when I woke up and tried to play Leagues I already redownloaded the client yesterday because my "chat" was copletely gone, but somehow i got the file to run even though it said "kernel" issues or whatever go to this link and get to league admin click it and click the next league file then go into your downloads and right click to run if that doesnt work setup up repair for your client and then try to run the file as an administrator, hopefully this helps anyone with the problem i had too
file:///C:/Riot%20Games/League%20of%20Legends/

man this is really anoying i go to download league so i can play and i cant i get some dumb rads error this sucks i just wanna get down on some lol but cant would repairing possibly fix this problem or will it still have the error and can anyone find a solution for this would really help need to play

I have had the same issue. If I move the launcher icon back into the original Riot/league of legends folder then it works. Occasionally I have to use the admin. icon to launch the program. Not sure what the problem is...PLEASE FIX THIS.