What does error message "You have been disconnected from the server." mean and how can I solve and fix it.

Remove Cache Folder

1. Go to the main Warcraft install folder.
2. Delete a folder called Cache

IP Release, Renew, and Flush DNS

1. Open CMD.
2. Type "ipconfig /release" and press enter.
3. Type "ipconfig /renew" and press enter.
4. Type "ipconfig /flushdns" and press enter.

Disable Add-ons

Disable your add-ons one by one and check if any of them are causing the problem.

Close Background Programs

1. Open Task Manager.
2. Click More Details.
3. Select the Startup tab.
4. Right-click on each item and select Disable.
5. Restart the computer.

Update Drivers

Out-of-date drivers and operating systems can cause a variety of issues.