"This App Has Been Blocked by Your System Administrator": Which Policy Fired and How to Fix It
Six Windows controls share the blocked-app dialog. How to read the wording, find the event or policy behind it, apply the right fix for UAC, AppLocker, WDAC, Smart App Control and Defender ASR, and when to leave the block in place.
"Fae" Grace Meadows · Oct 13, 2026245
