XP tips .

Restarting windows without restarting the PC.
Select Start. Select “Shut Down…”. Change the drop-down combo box under “What do you want the computer to do?” to “Restart”. Hold down the SHIFT key while clicking on the “OK” button.
Disabling error reporting

To disable error reporting in XP:
Open System in the Control Panel and select Properties.
Choose the Advanced tab, and click Error Reporting.
You can disable error reporting entirely here, or enable it selectively for certain programs. Click Ok.

Turn off Low disk space warning

Type Regedit in the Run dialogue box and then
Open HKEY_CURRENT_USER\ Software\ Microsoft\ Windows\ CurrentVersion\ Policies\ Explorer.
If there is not a key, create a DWORD value and call it NoLowDiskSpaceChecks.
Double-click on NoLowDiskSpaceChecks, and enter the value 1, and press OK.
Disabling CD Auto run
(WinXP PRO Only)

Click Start, Run and enter GPEDIT.MSC

Go to Computer Configuration>Administrative> Templates>System.

Locate the entry for Turn auto play off and modify it.

DISABLE INDEXING SERVICES
Indexing services actually hogs lot of RAM and disabling it will help improve system performance.
Go to Start
Click Settings
Click Control Panel
Double-click Add/Remove Programs
Click the Add/Remove Window Components
Uncheck the Indexing services
Click Next

Remove the DELETE CONFIRMATION MESSAGES

Right-click on the ‘Recycle Bin’ on the desktop and then click ‘Properties’

Clear the ‘Display Delete Confirmation Dialog’ check box and click ‘Ok’
If you want to restore the file then just go to your Recycle Bin and ‘Restore’ the file.