Hi Prutpan,
I would like you to try a possible solution to the problem.
Please uninstall Typemock Isolator from your machine completely, including deleting the registries.
Go to the Registry Editor in your machine then HKEY_CURRENT_USER then Software and finally delete the Typemock folder.
Additionally, go to the Developer Command Prompt for VS 20XX(your version) and write devenv /setup.
After all of these steps, install Isolator again.
I hope it will fix the issue, if not please open a ticket in our Premium Support tab with all the relevant info including logs of the run(you can enable the logs in the Isolator Configurator).
Cheers,
Alon Sapozhnikov
Support Speciallist.