First, double-click to open My Computer, as shown in the following figure:
Second, find the installation folder of WOW in my computer, as shown below:
3. After opening the installation folder of WOW, directly delete the WTF folder in the folder, as shown in the following figure:
4. Select the interface folder in the folder and delete it directly, as shown in the following figure:
Five, after deleting two files, you can log in, as shown in the figure below: