There is an instance of anaconda navigator already running error

Question

Previously my anaconda navigator was not responding so I have rebooted my computer and now when I am trying to open anaconda navigator it pop-ups an error with \"there is an ins

Answer 1

I got the same problem on windows 10, and all the previous answers and commands to taskkill didn't work and gave me the error "Access denied".

I found out that when you turn off your computer in windows 10, by default it doesn't really turn off but instead it hibernates, so it doesn't really "kill" all the tasks running.

Therefore my solution:

1. Go to Windows Start Menu, select _Settings > System > Power & sleep > Additional power settings > Chose what the power button does.
2. Under Power button settings, tap the setting bar, choose the option "Shut down".
3. Click on "Change settings that are currently unavailable", and uncheck the "Turn on fast startup" box.
4. Click on save changes.
5. Now Restart your computer.

This will successfully kill all running tasks, including pythonw, and hopefully solve your problem.