LOL Reinstalling Stuck on Calculating [FIXED]

If the League of Legends installer is stuck on "Calculating," try these steps: 1. Restart the installer and client via Task Manager. 2. Run the installer as administrator. 3. Clear temporary installation files. 4. Disable antivirus and background apps. 5. Download a fresh installer from the official site.

If you're reinstalling League of Legends and the installer is stuck on "Calculating," this guide provides several solutions to resolve the issue.

The operating environment of this tutorial: Dell XPS 15, Windows 11

1. Restart the Installer and Client

Occasionally, the installation process halts due to a temporary glitch in the client. Restarting both the installer and the Riot Client can refresh the process and clear minor errors.

• Close the League of Legends installer completely via Task Manager.
• End all Riot-related processes such as Riot Client Services and Riot Vanguard.
• Reopen the Riot Client and attempt the reinstall.

2. Run the Installer as Administrator

Insufficient permissions can prevent the installer from accessing necessary system resources, leading to freezes during the calculation phase. Running with elevated privileges ensures full access.

• Locate the Riot Installer executable (usually in Downloads or the Temp folder).
• Right-click the file and select Run as administrator.
• Allow the prompt from User Account Control to proceed.

3. Clear Temporary Installation Files

Corrupted or incomplete temporary files from a previous failed install can interfere with the current process. Removing these forces the client to generate fresh data.

• Navigate to C:\Riot Games\Temp or the installation directory's temp subfolder.
• Delete all contents within the Temp folder.
• Restart the Riot Client and begin the reinstall.

4. Disable Antivirus and Background Applications

Third-party security software may mistakenly flag installer activity as suspicious, causing interruptions. Temporarily disabling such programs can prevent interference.

• Turn off real-time protection in your antivirus suite.
• Close bandwidth-heavy apps like torrent clients or cloud sync tools.
• Retry the installation immediately after disabling these services.

5. Manually Download and Replace the Installer

The default installer might be corrupted. Downloading a fresh copy directly from Riot ensures file integrity and can bypass the freeze.

• Visit the official League of Legends download page.
• Download the latest full installer package.
• Run the new installer as administrator and monitor for progress.

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