My laptop just stopped connecting to any WiFi. How do I fix this?

My WiFi worked just fine until a few days ago. Now every time I try to connect to any WiFi it says, "unable connect to this network". I have made sure that I m entering the correct password and I have the latest network adapter. I suspect that hotspot shield vpn could be the cause of this because the... show more My WiFi worked just fine until a few days ago. Now every time I try to connect to any WiFi it says, "unable connect to this network". I have made sure that I m entering the correct password and I have the latest network adapter.
I suspect that hotspot shield vpn could be the cause of this because the problem started shortly after I installed the program, but even after completely uninstalling it I still can t get a connection.
Does anyone have any idea how I can fix this?
I m using Windows 10 pro-x64 version 1703 build 15063.540.
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