To troubleshoot this issue, we need to get the app logs.
Here's what we need you to do:
1. Click AdGuard icon in the menu bar --> Gear --> Advanced --> Logging level --> Debug;
2. Reproduce the issue and remember the exact time it happened;
3. Menu --> Advanced --> Export Logs and System Info...;
4. Send the archive to firstname.lastname@example.org and mention this thread on the forum.