Click on Turn Windows Firewall on or off (You might need to provide the Administrator password at this step).Unfortuantely, we cannot provide specific instructions for each firewall as many variations exist, but most firewalls allow themselves to be temporarily disabled by right clicking on their icon in the Windows tool bar (bottom right of the screen) and selecting the appropriate option. Updating the firewall usually whitelists our patcher, otherwise you will need to temporarily disable your firewall.ĭisable or turn off Third Party Firewalls The patcher downloads a large number of files to your computer, which can be misidentified as a threat by your firewall. Malwarebytes Corporation (Malwarebytes Anti-malware).Please note: Some firewalls require an active subscription in order to receive the latest updates.
It is possible that your firewall simply needs the latest update from the manufacturer to apply these exceptions. We have contacted a large number of firewall manufacturers to identify League of Legends as a harmless application and add exceptions for League of Legends automatically. Temporarily disable your Firewall/Anti-virus You can disable UAC by following Microsoft's instructions here. User Account Control can sometimes block the League of Legends patcher from modifying files on your computer. Forcing a re-installation should help resolving this issue. Sometimes files become corrupt during the patching process, usually due to anti-virus and/or connection issues.
How to run League of Legends as an Administrator? In order for the patcher to have access to your computer, you must run it with Administrator privileges.
You are getting an error during the patching process.
The patcher is responsible for scanning League of Legends files and updating them. Updates to League of Legends are released via patches.