Before trying any of the troubleshooting below, make sure that you're signed into the same Microsoft Store account that made the purchases tied to MyRadar. You can check your order history with the steps here: https://support.microsoft.com/en-us/account-billing/view-your-microsoft-store-order-history-aafefe88-3ec2-ce28-e0b6-eff1d5cc8170
Once you're sure you're on the same Microsoft Store account, try the following:
1. Reinstall MyRadar on your affected computer
2. Once reinstalled, open the app. If there are any missing upgrades, take a screenshot and save it somewhere easy to find for when you contact customer support
3. Open the Settings app on your computer
4. Cilck on Apps
5. Click on Installed apps
6. Find MyRadar in the list and click on the dots, then click on 'Advanced options'
7. Click on "Reset"
If any problems continue, e-mail us at support@myradar.com and attach the screenshots you collected.