Step 1)  To Check Twitter accounts with browser in TwtDominator, You need to visit: Account--> Accounts Manager 

Step 2) First you need to install Mozilla Firefox in your system:

If you want to check your Twitter account to open in the browser then you need to install Mozilla Firefox 47.0.1 version on your machine.

  1. Select the “MenuMenu Button button in the upper-right corner, then choose “Options“.
  2. Select “Advanced“.
  3. Choose the “Update” tab.
  4. Select one of the following options as desired:
    • Automatically install updates
    • Check for updates, but let me choose whether to install them
    • Never check for updates
  • Now move to step 3 to check the accounts in Mozilla Firefox.

Step 3) Right Click on "Setting" Under "Action" 

To Check Twitter Accounts you need to click on "Setting" Under "Action". Once clicked a modal window will Popup and Then Click On Check

It will automatically check your account is working or not and will give the status as success or fail under status. Getting trouble in checking accounts contact support.