Let's try the following:
First we will uninstall Microsoft .NET 4.01. Open Control Panel
2. Click Programs and Features
3. In the list find the following:
4. Uninstall both highlighted items
Next we will uninstall Microsoft .NET 3.55. While you are in the Programs and Features, click the link on the left as highlighted below:
6. It will show this window:
7. Uncheck highlighted item and click OK
8. Reboot your computer.
9. After Computer boots, Open Program and Features again and go to "Turn Windows features on or off
10. Now CHECK Highlighted item ON the way it is shown on image above.
11. If it will ask you to reboot, then reboot.
12. Now open browser and go to the
http://www.homedj.net13. Navigate to Download Server link and click it.
14. When prompted either to Run or Save HomeDJInstall.exe, click Run.
15. Follow installation wizard.
Hope it will finish successfully this time.