Hi Smith,
Issues with uninstalling programs are usually caused by improper installation. Corruption or damage of the program can also lead to uninstall troubles. Follow these methods and check if it helps.
Method 1: I would suggest you to check for the World of Warcraft related files in these locations and check if you can delete it. These files are normally found in the following locations:
You can press Windows key + R and copy paste the below location to open it directly from Run command.
*C:\Documents and Settings\Local Settings\Temp C:\Windows\Temp C:\Program Files\World of Warcraft C:\Program Files (x86)\World of Warcraft C:\Program Files\Common Files\Blizzard Entertainment C:\Users\Public\Games\World of Warcraft C:\Users\Public\Public Documents\Blizzard Entertainment\World of Warcraft*
Method 2: You can try running this Microsoft Fixit tool and check if it helps.
Note: This Fixit tool is not compatible for Windows 8.1 but you can still run it on Windows 8.1 to fix the issue. Follow these steps:
a) Open this Fixit link using Internet Explorer:
http://support.microsoft.com/mats/Program_Install_and_Uninstall?wa=wsignin1.0
b) You will get the error Operating system is not supported.
c) Press F12 on the keyboard. This will open Developer tool.
d) Press CTRL key + 8, or click on
Emulation icon.
e) Change User agent String to
Internet Explorer 10.
f) The Fixit link will refresh and "Run Now" box will show in
Green color.
g) Click on it and save it on your computer.
h) Right click on the saved fixit tool and select "Run as Administrator" and follow the on-screen instruction to fix the issue.
Method 3: Follow these steps if you are still facing the issue.
Registry disclaimer
To do so: Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added
protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.
1) Press Windows key + R
2) Type Regedit and press enter.
3) Navigate to "HKEY_CURRENT_USER\ Software\ Microsoft\ Windows\ CurrentVersion\ Uninstall\ Warcraft III"
4) Delete everything inside.
5) Restart the computer and check.
If issue still persists, reinstall the game and uninstall it and check.
Hope this helps. If you need further assistance with Windows, let us know and will be glad to help.