Troubleshooting

Click "More info" (blue link below the message), then the "Run anyway" button that appears. This message is a warning for software not signed by a major publisher — it does not mean the software is dangerous.

Open Windows Defender → Virus & threat protection → Protection history → find the entry → "Restore". Then add the installation folder to Defender exceptions to avoid future blocks.

Ensure Node.js 18+ is installed (download from nodejs.org). Check logs at %LOCALAPPDATA%\JustOnWeb Downloader\logs\app.log.

Go to System Settings (⚙️) → Privacy & Security. Scroll to the "Security" section. You will see the app name with an "Open Anyway" button — click it and confirm.

Try via Terminal: right-click on the app → Open → Open (confirm). Or via Terminal: xattr -cr "/Applications/JustOnWeb Downloader.app"

Check logs at ~/Library/Logs/JustOnWeb Downloader/app.log. Ensure macOS 12 Monterey or later is installed.

Check that the app has write access in ~/Library/Application Support/JustOnWeb Downloader/ (macOS) or %LOCALAPPDATA%\JustOnWeb Downloader\ (Windows).

Check that you are copying the key exactly as it appears in the email (format JOWD-XXXXXXXXXX). If the problem persists, contact support with your purchase email.

Your licence is already activated on 2 computers. Contact support with your licence key to free up a slot.

The 7-day offline grace period has expired. Connect the computer to the internet and restart the application to validate the licence.

For large case files (hundreds of documents), expansion can take 5 to 20 minutes. This is normal — the app must load each level of the tree structure. Do not close the browser.

Simply restart the application. Already downloaded files will be detected and skipped. Downloading resumes automatically from the first missing document.

Check that you have access to these documents on JustOnWeb (some may be protected or require specific access). Check the logs for more details.