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Troubleshooting · Last updated Sep 2, 2026

Windows app updates

How automatic updates work, what to do if no update arrives, and reinstalling the app.

The Windows app updates itself: it checks for a new version on launch, downloads the update in the background and applies it on the next start. Usually there is nothing you need to do.

How updating works

  1. On every launch (and at intervals while running) the app checks the update server.
  2. If there is a new version, a small delta package is downloaded in the background; it does not interrupt your work.
  3. Once the download finishes, the app switches to the new version when it is restarted. A “Restart to apply the update” notice appears in Settings; click it whenever you like.

You can see which version you are on under User Settings → About; the current version number is shown on the Download page. For the list of changes see the Changelog.

If no update arrives

  • Quit the app completely (Quit from the system-tray icon) and reopen it; closing just the window sometimes does not quit the app.
  • Make sure your computer is online and that a firewall/antivirus is not blocking the app’s network access.
  • On a corporate network, a proxy may be blocking access to the update server.

If an update failed or the app will not open

The quickest route is to reinstall; your data lives on the server, so you lose nothing:

  1. Download the current installer from the Download page.
  2. Run the installer; it writes over the existing installation and opens the app. No separate uninstall step is needed.
  3. If the problem persists, remove TEBHOS under Windows Settings → Apps and run the installer again.

If you want to verify the installer, compare the SHA-256 checksum on the Download page with that of the file you downloaded (Get-FileHash <file> in PowerShell).

System requirements

Windows 10 or later (64-bit). Older versions are not supported by the app; you can keep using TEBHOS in the browser.

If the problem continues, write to [email protected] using the template in the bug-reporting guide, with your version number, your Windows version and the error message you see.

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