Hello,
We did test with different website and it works well. Attached is the sample task we tested with.
Try using 'Navigate Url' command inplace of 'Open Browser' command. Please let us know how it goes.
Can you please provide your number and best time to contact by submitting a support case so that we can actually see the issue and resolve it quickly.
Automation Anywhere - Open A Support Case
Alternatively, you can reach us at 1-888-484-3535 x 3.