League of Legends is a popular game all over the world.
However, sometimes when you attempt to open it but find that Avast blocked League of Legends.
League of Legends is an online multiplayer battle arena video game of action real-time strategy jot down.
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It is one of the most popular PC video games of all time.
Recently, many players reported that Avast blocked League of Legends.
Avast antivirus software has the function of preventing malicious applications from running on the machine.

The following are the detailed instructions.
Step 1:Go to the Dashboard of Avast antivirus and click theSettingsoption.
Step 2:In the prefs, look forActive Protectionand click it.
Step 5:you’ve got the option to also specify when you want to apply these exclusions.
Now, you could check to see if the Avast League of Legends issue has been fixed.
If not, try the next solution.
Method 2: Reinstall Avast
Maybe, there is a problem with the installation of the program.
Then, you could attempt to reinstall Avast to fix the Avast blocked League of Legends issue.
Step 2:Then search for theAvast Free Antivirusentry and right-click it, then clickUninstall.
Step 3: Now start your system and navigate to the official Avast download page to download it.
Then, find out if the Avast blocked League of Legends issue has gone.
If not, try the next solution.
Besides, this post also shows some measures to avoid this error.
If you have any different ideas, you’re able to share it in the comment zone.