This reg file Enables Folder and Icon Refresh.
1. Copy the following (everything in the box) into notepdad.
Windows Registry Editor Version 5.00
2. Save the file as disablerefreshundo.reg
3. Double click the file to import into your registry.
NOTE: If your anti-virus software warns you of a "malicious" script, this is normal if you have "Script Safe" or similar technology enabled.