Windows 11

An app will not open

One broken app and many broken apps need different checks.

TRY THIS FIRST

Try a second app

Open another app and note whether it starts. Record any exact error message from the failing one.

Start with this check

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

Still not working?

For a single app, check its update and repair options. Read what an app reset removes before using it. If several apps fail, investigate Windows and account issues using the guide.

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.