safe zone problem

When i start safe zone,i have safe browser few second in safe desktop but after few second all dissapear and my desktop return.Safe browser turn off automaticly.

Pls need resolve ,couse i cant use that in my telebanking.

Can you try to repair your installation?
Go to Control Panel > Add/Remove programs > avast! antivirus > Remove. Then choose Repair function in the popup window (Repair).
If this does not help, can you uninstall / boot / install / boot again?