How to check if my network resource is unavailable?

So, if the network resource is unavailable error keeps showing up, you should check Windows Installer:Press Windows key + R to open Run. Type services.msc and click OK.Locate Windows Installer in the list of available services. Double-click on it.Once in the Properties window, make sure that Startup Type is Manual or Automatic.Proceed to Service status. Check if the service is running. If not, click Start.More items
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