After you install the MS03-026 security patch on Windows 2000, your desktop is blank.

This problem will occur if the %SystemRoot%\Registration\R0000000000e7.clb file has 0 bytes.

To workaround this problem:

1. Press  CTRL+ALT+DEL.

2. Press the Task Manager button.

3. Select the Applications tab.

4. Press New Task.

5. Press Browse.

6. Navigate to %SystemRoot%\Registration and Delete the Registration folder.

7. Press Yes to confirm.

8. Shutdown and restart you computer.

A new Registration folder is automatically created.

NOTE: If you have other computers to repair, just copy the contents of the new %SystemRoot%\Registration folder to the other computers.