According to Riot, League of Legends Error: 0xc0000005 is more of a Windows issue than a client-side problem. So even the developers are pretty stumped at coming up with a permanent way of dealing ...

Restart your PC Open League of Legends again This should fix the problems you've been having as it will force LoL to reinstall Vanguard correctly, with the file paths in the right places.

Open the Run dialog on your PC by pressing Win+R. Then type “services.msc” and click on OK. This will open a service window where you will need to find VGC service and then start it by double ...