This behaviour can occur due to software corruptions, incorrect license files, or registry corruptions. Follow the steps below to resolve this issue:
- To mitigate potentially corrupt software, repair your software using NI Package Manager.
- Verify that your license files are in the expected directory, and that they contain valid information.
- License files must be placed in %ProgramData%\National Instruments\License Manager\Licenses.
- There should be a license file for every installed NI product. If using a Disconnected License, ensure that it contains the licensing information for all the products you intend to use.
- Follow the steps below to resolve corruptions with the Windows Registry.
- Warning: Inappropriate changes to the Windows Registry can disable your operating system. To safeguard against such an event, you should backup your existing registry by choosing Registry » Export Registry File after launching the Registry Editor and before making any changes.
- To check the registry keys:
- Navigate to Start»Run
- In the open dialog box, enter regedit and click the OK button.
- Navigate to My Computer»HKEY_LOCAL_MACHINE»SOFTWARE»National Instruments»License Manager
- By default, the registry should have four entries with the following values:
- To create strings, right-click an empty part of the screen in the License Manager folder and select New»String Value.
- Once you enter the name, right-click on the new string you created and select Modify. Under value data, type in the correct value. These values are for the default installation directory. If you did not use the default directory for installation, the keys that have to reflect your installation location.