Eye Care Software - for computer-monitor-eye-strain, Locking your computer and forcing you to take a 5-minute break every 30 minutes. Eye Care Software - Random play music when break. Run 'Eye Care Software' when Windows starts

It also supports running command during breaks. For example, you may need to back up files regularly, you can create a batch file "C:\Users\Name\backup.bat", and then run it during each break