If your desktop icons are redrawing frequently, add key:
Hive: HKEY_LOCAL_MACHINE
Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Name: Max Cached Icons
Type: REG_SZ
Value: 8000
If your desktop icons are redrawing frequently, add key:
Hive: HKEY_LOCAL_MACHINE
Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Name: Max Cached Icons
Type: REG_SZ
Value: 8000