Here’s how to go about rebuilding your Windows Vista Icon Cache:

　　1、Make sure you have Command Prompt and Task Manager open.

　　2、Kill Explorer (use theTask Manager to do this)

　　3、Open the command prompt and go to: %USERPROFILE%\AppData\Local

　　4、Unhide the IconCache.db file with the following command: attrib -h IconCache.db

　　5、Delete the IconCache.db file: del IconCache.db