When using Windows XP system, you may find the system is running slower and slower as the passing of time. It is right that you can reinstall system. But you have to take one thing into consideration that you have to reinstall many applications as well. It is rather disturbing. So how do you speed up Windows on condition that you do not have to reinstall system? You can find the answers in this article.

Let Windows XP close down within one second. Windows system is too bulky to close down efficiently. You have to spend thirty to fifty seconds to do that completely. But you can speed up your Windows by changing some items in the registry.
Find “HKEY/CURRENT USER/Control Panel/Desktop and modify the value of “Wait To Kill App Timeout” as 1000 which means it just need one second to close down programs.
Change “Hung App Timeout” as 200, it takes half of second to wait for error programs.
Change the value of “Auto End Tasks” as 1 so that system can close down the stopped responding programs automatically.

Close down stopping responding programs automatically. Sometimes, Windows may remind you that certain program is stopping responding. It is really disturbing. As a matter of fact, you can let it turn off automatically by altering registry. You can click “Start” > “Run” and type “regedit” so as to enter into “Registry Editor” and then click “HKEY /CURRENT USER/Control Panel/Desktop” orderly. You can change the numerical value of “Auto End Tasks” as “1” and click “OK” then restart computer.

Sector is the basic unit in the computer hard disk. A file usually takes up certain sectors. As you use hard disk for a long time such as adding, changing and deleting files, it is unavoidable to create a lot of discontinuous sectors so that disk head has to spend more time in reading and writing the data. This can lead to slow computer. That is why you need to defragment disk regularly. You ought to perform defragmenting program to rearrange those discontinuous files in order so as to optimize Windows. It is better for you to do that based on the usage of hard disk in your computer.

At the same time, you can reduce the loading items when starting computer. Many applications add system startup group forcibly when you install them in the computer. Therefore, every time the computer starts up, they may run automatically. It can not only delay starting time but also take up a lot of system resource. It is advisable for you to reduce such items in order to speed up computer.

By doing the methods, you can speed up Windows without question. Since slow computer is really a head ache for all the users, you have to be very careful in daily operation.