Running the Zimbra appliance and accessing the admin client at https://192.168.13.40:7071

The client hangs in the browser and just says loading.  It originally worked and has stopped 2 days after installing the appliance.

I have searched the net and cannot find any solution that works.

All i have it the loading screen saying "loading"  Any help would be great.

Server is working OK,  email in and out fine,  ZM CLI seems to work fine also.