Am using Windows 7, Yandex browser. Setting in desktop vesrion already set to 'Enable Browser Extension but not opening in browser. Extension in browser already installed but it remains black and when clicked it instructs to set for browser extension in desktop version and that windows closes and a new tab window loads.

Please help

Hey @SNB

You can make Enpass extension work with Yandex browser by turning off the Code signature verification in main Enpass App as explained here in the user manual. Before that, just have a look at the whole scenario and associated risks (if any, in your case) in turning off the Browser verification. 

Currently, Enpass supports extensions for widely used browsers; Chrome, Firefox, Safari and Opera browser. However, the Enpass extension can be installed in many other Chromium-based Web browsers available in the market, provided they support the installation of Chrome extensions (Yandex browser is your case). So as mentioned here, under Communication section, Enpass App validates the authenticity of both extension and Browser before making any connection and serving data for auto-filling. In case of Yandex Browser, Extension Validity Check gets passed but the validity check for Browser gets failed and you get the Error 403/Connection error. So if you turn off the code signature verification, you can bypass the Browser checking and set your foot into auto filling in Yandex Browser. 

To avoid any security risks associated with turning off the code signature verification, please make sure that you download the browser from the legitimate source and double check the authenticity of any extension you install.

Cheers!