Chromium Secure can't switch tabs around when sandboxed in Comodo's sandbox.

It just opens up a new window but when out of sandbox it allows me to.

Hi cheater87,
I think you have just found a bug when using Chromium based browsers in the Sandbox with the highlighted frame active.
Disabling the highlighted frame in the Sandbox settings is a workaround until this is rectified.
If you decide to create a bug report, please see the bug report format below.
Bug Reports - CIS
Required Format For Reporting Bugs