League of Legends is a complex game with a complex client and you can always expect it to have some problems with your computer.. The game developers have done a great job creating it in the sense that you will rarely experience crashes and errors and the most important thing to consider is keeping your internet connection as stable as possible as the game cannot be played with high latency.. Despite this, some of the programs and settings on your computer may cause some performance issues in League of Legends, but they are quite easy to fix.
League of Legends does not start when Avast is installed
Antivirus programs, in general, can cause incompatibility issues with many different video games, and League of Legends is no exception. Avast Antivirus, in particular, is a program that many players have complained about causing a lot of problems. This issue caused League of Legends to fail to launch due to Avast accidentally quarantining various LoL-related files thinking they were viruses., but that turned into a false positive. Despite this, you can undo the damage by following a few simple steps:
Open your Avast antivirus
You should be able to access your antivirus easily. If it's already open, you can locate it on your taskbar, right click and select open. If Avast doesn't load at startup, you can always start it manually by locating it in Start. Windows 10 it will immediately show you the list of all the programs on your computer arranged alphabetically, so Avast should be there at the top. Click on it and wait for it to load, since the procedure will take some time. You can also open the shortcut on your desktop if you have one.
Avast user interface
League of Legends file locations
It is very possible that Avast has been quarantined by mistake.
d some of the main League of Legends files think they are viruses and that is a feasible reason why you cannot start the game client. Fortunately, Y (Virus chest). The quarantine button is at the bottom of the page. When I open the quarantine, you should notice some files related to LoL. Restore these files and click “Add to exclusions”. If the game has already generated some of these files, click on “Overwrite” to replace these new files with the original ones that have been quarantined and start the game.
Restoring a file from the virus chest (quarantine)
Other solution
If this did not solve your problem or if you did not find any League of Legends related files in the Quarantine section of Avast Antivirus, there may be another way Avast is affecting your game. Avast may continue to receive false positives related to gambling, but you have not taken any action, like quarantine, but it keeps blocking its release. Also there is a solution for this.
Open your Avast antivirus in any of the ways we previously mentioned. Thereafter, o. This is where users have the freedom to place files that should not be cared for and should not be scanned or recorded as a threat. Do not do this with any file for which there is a hint of doubt that it is a virus. Add Riot Games League of Legends folder to exclude from scan. Thereafter, close the Avast window and right-click on the Avast icon in the toolbar. Reset the shields by turning them on and off and your problem will be solved.
