Go to Desktop>>Right–click on the Recycle Bin icon>>Select Properties.
Use the slider to choose the required percentage, Click Apply, then click OK
2. Turn Off Remote Desktop And Remote Assistance Windows XP has services that make it possible for other people to access your computer remotely. They are handy if a computer is part of a network, but there is always a danger that hackers may use them to access your computer. So, if your PC is not part of a network, it’s best to turn them off. To turn off Remote Desktop and Remote Assistance -
Remove temporary Internet files.
Delete downloaded program files, such as Microsoft ActiveX controls and Java applets.
Empty the Recycle Bin.
Remove Windows temporary files, such as error reports.
Delete optional Windows components that you don't use.
Delete installed programs that you no longer use.
Remove unused restore points and shadow copies from System Restore.