A Valid Accumark License Was Not Found For This Product Jun 2026

The license file number must exactly match the security key number attached to the computer. :

Ensure the key is plugged directly into the PC. Docking stations and external hubs frequently drop connections, causing the license validation to fail. Step 2: Restart the Sentinel Local License Manager Service

Did this error start (like a Windows update or software upgrade)?

When the error presents itself, follow this diagnostic workflow: a valid accumark license was not found for this product

Windows has a power-saving feature that puts USB ports to sleep. Go to your Power Options > Advanced Settings > USB Settings and set USB selective suspend setting to Disabled . This ensures your USB dongle never loses power.

Sometimes a static discharge or loose port causes the connection to drop.

The background Windows service responsible for managing the license has stopped running. The license file number must exactly match the

If you are using a perpetual license with a USB hardware key: Reconnect the Dongle

If you need help locating the license server IP or verifying license files, let me know your AccuMark version and license type (network or standalone).

Windows services handle the communication between AccuMark and your license. If these services crash, the software will fail to launch. Step 2: Restart the Sentinel Local License Manager

Go to the official Thales/Gemalto customer support portal or the Gerber web portal.

Your license "bit" may need an update to support a newer version of the software.

On the license server:

Troubleshooting: "A Valid AccuMark License Was Not Found for This Product"