On Windows 2000, 16-bit MS-DOS programs may fail to install if the Autoexec.bat and Config.sys system are hidden.

To workaround this problem:

1. Open a CMD.exe prompt.

2. Type cd /d %SystemRoot%\System32 and press Enter.

3. Type attrib -h auotexec.bat and press Enter.

4. Type attrib -h config. and press Enter.

NOTE: Windows 2000 sets the hidden attribute on Autoexec.bat and Config.sys by default. 

NOTE: See How do I troubleshoot MS-DOS programs running on Windows XP?