ADE simulation setup toolbar missing buttons

Hello:

I am using Virtuoso Custom IC Design Environment Version IC6.1.7-64b.500.12

ADE L or XL ADE simulation setup toolbar is missing buttons. Mine just looks as follows:

How could I restore them to the default version.

The default simulation setup toolbar buttons should look like this.

I read in the ADE user manual but no luck.

Thanks a lot for your help.