: In the Battle.net launcher, click the gear icon next to the Play button and select Scan and Repair to fix corrupted game data.

: Right-click your Battle.net launcher or the WoW.exe file and select Run as Administrator to ensure it has proper permissions.

: Navigate to your World of Warcraft installation folder and delete the Cache and WTF folders. This resets corrupted temporary files.

: Ensure both your Windows OS and your graphics drivers (Nvidia, AMD, or Intel) are fully updated. 2. Reset Interface and Cache