User Account Control (UAC) has finally been “fixed” in Windows 7 eliminating the endless prompts to allow something to happen, like simply copying, pasting or deleting files. Since Microsoft had “tweaked” the UAC settings you only get the prompt when making major system changes like Running Programs as Administrators
This is a must have for Firefox to blend it in to Windows 7!
Open REGEDIT and navigate to:
Change the MouseHoverTime REG_SZ value to 0 or anything less than 400 to speed it up. You’ll need to reboot for the new settings to take effect.