The "Could not find rune64.dll" error after installing GTA 5 usually occurs due to missing or corrupted game files, mod conflicts, or antivirus interference. Here’s how you can fix it: How to Fix the Rune64.dll Error in GTA 5 CLICK THE VIDEO WATCH FULL VIDEO LIKE AND SUBSCRIBE MO D FILE LINK IS HERE : DOWNLOAD 1. Verify Game Files (Steam / Epic Games / Rockstar Launcher) Since rune64.dll is a core game file, it might be missing or corrupted. You can verify and repair the game files: For Steam : Open Steam and go to Library . Right-click on Grand Theft Auto V → Properties . Go to the Installed Files tab and click Verify integrity of game files . Steam will check for missing or corrupt files and replace them. For Epic Games Launcher : Open Epic Games Launcher and go to Library . Click on the three dots (...) next to GTA 5. Select Verify and wait ...