Windows 11

Is my antivirus working?

Windows Security shows which provider is protecting this PC.

TRY THIS FIRST

Check the active protection provider

Open Windows Security → Virus & threat protection. Review the provider and any action needed.

Start with this check

Result: Use what you find to choose the next step.

Still not working?

Follow the specific recommendation shown there. Another antivirus or your organisation may manage protection; do not enable competing antivirus products just to clear a label.

Check the result: Repeat the original task after making one relevant change. If the problem returns, keep the exact message and time.

More detail →

Sources & page details

Hanki's detailed guide · Reviewed 2026-09-26

Choose the entry that matches where the error appeared. A code alone does not identify every cause. Commands are copied for you to review; this page does not run them.