npm update check failed

Question

Last night I tried to update my node and npm, it seemed to have been successful, however ever since then I have been getting this same error any time I try and run any npm c

Answer 1

I got a Windows 10 environment:

For me, first I did make sure all node.exe instances killed:

taskkill /t /f /im node.exe

Then I've updated npm to the latest version using npm-check-updates

Finally, I deleted .config folder from user home C:\Users\

That's solved my problem.