Uninstalling the Halogen Software

To uninstall Halogen:

1. Click Start, begin typing "Programs and Features", click Programs and Features from the top of the list. In the Programs and Features window scroll and select the Halogen application from the list, then click Uninstall.
2. When prompted, click Yes to confirm that you want to completely remove Halogen and all of its components. A dialog box appears showing the status of the uninstall. When the uninstall completes, a dialog box appears confirming that the uninstall completed successfully.
3. Click Finish to close the wizard.

tip: Running multiple versions of Halogen on one computer: Installers can run any and every version of Halogen software needed, at any job site, new or old, without uninstalling and reinstalling anything. Halogen allows running any and every version – one at a time – on the same computer.

Here are details: http://blog.rane.com/2013/01/15/tip-running-multiple-versions-of-halogen-on-one-computer/