Hi @Trumpsaduck, please provide us with some more info on the case. Was there an update to iOS 15? If there was, did AdGuard work properly before the update?
Then, we'd like to ask you for debug logs:
In AdGuard head to Settings → General
Enable Advanced mode and go to Advanced settings
Enable Debug logs
Reproduce the issue and remember the time when it happened
Head back to Settings → Support → Export logs, send them our way (you can send them to me via direct messages) and tell the time the issue happened