Disable Low Disk Space Notification.
To turn off the low disk space notification, which cannot be done through the XP GUI, open Registry Editor (regedit.exe) and navigate to the following location:
HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
Add a Dword Value called NoLowDiskSpaceChecks and set the Data Value to 1 to turn it off.
Disable Run Desktop Cleanup Wizard.
Right click the Desktop, Click Customize Desktop on the Desktop tab and then disable the Run Desktop Cleanup Wizard option.
i have done all those on my machine to run better
and use this program
to automattically empty recycle bin on exit
hope those help in what you wanting to do ....
or you can go into properties of recyle bin and just set it to more than 10 percent