Try calling the browser and saved by creating TestApps.
Follow the steps below and see if it helps:
1 - right-click on the project
2 - Click Add
3 - Click New Item
4 - Select the TestedApps
5 - Click Ok
Appear in the project TestedApps
1 - Click on TestedApps Right
2 - Click on New Item
3 - In the Application field put the path to the executable of the browser (Example: C: \ Program Files (x86) \ Internet Explorer \ iexplore.exe)
4 - Click OK
Now whenever you want you can use the following commands in your script:
TestedApps.iexplore.Run () / / / To open the browser
Hope this helps!