Error: NI Service Locator is not running or Error: The NI System Web Server is not running.
This error will sometimes occur when you install new NI software and don't restart your system. A simple restart of your computer will often fix it. If you are working on something where a restart isn't feasible, you can try manually running the NI Service Locator by following the steps below for your operating system. If the issues persist after these steps, see the Firewall section below.
The NI Service Locator service on the local computer started and then stopped. Some services stop automatically if they have no work to do, for example, the performance logs and alerts service.
This suggests a firewall issue. To allow NI Service Locator to run with a personal firewall running, the following need to be added to your personal firewalls exceptions/safe list/program permission properties:
NI Service Locator (C:\Program Files (x86)\National Instruments\Shared\nisvcloc.exe)
NI Example Finder (C:\Program Files\National Instruments\Shared\Example Finder\1.0\BIN\NIExampleFinder.exe)
You can also try deleting and remaking the Service at the Command Line. This is a workaround as once the Service is restarted this way it can be turned off again, which points again to a Firewall issue. The steps to do this are here:
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A valid service agreement may be required, and support options vary by country.