If you are using windows for a long time then its tend to be slow quit regularly specially windows start-up. When you install a program it updates registry and add a link to start-up directory to load it when windows start. It is quit useful but it also slows windows start-up. To remove the programs from start-up menu Click Start then click Run. Run Dialog appears write msconfig in the dialog box and hit enter. System Configuration Utility appears with different tabs on it.

Click on start-up tab to view its settings. For faster start-up click on Disable All Button to disable all the start-up programs. It will not effect windows at all but speeds up windows start-up as there is no program in the start-up. Then Click Apply and Restart your Computer.

2. Disable windows visual Effects.

Another ways to make windows faster is to disable windows visual effects. For this right click on My Computer icon on your Desktop and click properties. This will open System properties Dialog-box like one below.

Then click on Advanced Tab to view its properties. Click on Settings button to view Windows Visual Effects dialog as shown below.

Now for best performance click on Adjust for best performance as shown in picture. This will disable all the visual effects in windows Xp. Click apply and you are done.