1. Close all open error messages.
2. Insert the CD for the program being used (for example, Office 2000).

3. Start the program or try to use the feature that caused the error message.
4. Wait as Windows installer locates the needed files and automatically begins the installation process.
5. Navigate on the CD for the provided file name if prompted for a file. Select it, and click OK. This should only happen if Windows installer cannot find the file.