Many institutes don’t support the running and communication of such applications. If you are using a network inside any institution, try using open internet which doesn’t involve any proxies. Furthermore, make sure you have an active internet connection. Right-click on the application and select “Run as administrator”. Digital certificates are electronic credentials that are used to certify the identities of individuals, computers, and other entities on a network.īefore you try any of the workarounds listed, you should try running the application in administrative mode. Furthermore, the error also might occur if there is a problem with the certificates on your computer. Skype servers gave frequent downtime to update their databases, perform maintenance services, or when they are under a DDOS attack. The first and foremost thing that every user should check is if the Skype servers are down. This error is quite old and occurs due to a number of different reasons. Many people using the Skype Desktop application for Windows come across a condition where their Skype client is stuck on signing in for an indefinite period of time.

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