This reg file Enables Folder and Icon Refresh.
1. Copy the following (everything in the box) into notepdad.
QUOTE
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"NoNetCrawling"=dword:00000000
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.