To reopen your case, you can follow these steps:
- Log in to the Microsoft Advertising Customer Support Portal.
- Select the case you want to reopen (in your case, the one with the number 7098142047).
- On the top right corner of the page, select the option to "Re-open case." This will update the case status to Reopened, and the button will change to Close case.
Make sure to add a comment explaining the reason for reopening the case, which in your situation is to continue having a live agent assist with installing a driver on your computer.
If you need further assistance, you may also consider contacting Microsoft Support directly for help with your issue.