Some DLL files missed?, Use this tip

If you regularly encounter errors (such as warnings of missing DLL files or programs do not load) and you think that some part of Windows XP, you can check your system files to ensure that they are in good condition.

Foremost get Windows XP CD/DVD into the CD/DVD Drive

The Tip:

1 - Click on Start
  
2 - Click on Run

3 - then type this command :

sfc /scannow

4 - Then click on OK.

Wait until the process is complete

This will check all your Windows system files to see if they have been edited or changed.

If they have, it should be able to replace them with backups, but if it can not find them on your hard drive so it will be necessary to copy from your Windows XP CD or DVD.