This should be set to the full path of the npm executable on your machine, and this does not have to match the version of npm … Running karma after installation results in 'karma' is not recognized as an internal or external command, Install using Chocolatey ==> npm is not recognised, Install using 64-bit nodejs installer from nodejs.org ==> npm is not recognised, One of the github issues on nodejs repository says that I need to restart the machine and it would fix. then click environment variables Một khởi động lại đơn giản của vs mã sẽ giải quyết vấn đề. That one got me. But still was unable to get over this issue. Azure DevOps NPM registry stopped working 0 Solution npm version 6.11.0 - 'find_dp0' is not recognized as an internal or external command 2 Solution Npm task require the agent with npm capability 0 Solution Corrupted upstream NPM Package in VSTS repository ". 3. In VS Code, choose File > Open and select the IBM-Code/Node.js/Course subdirectory within that location, and click the Open button. Look for " ALL APPS ", you will see Node.js and Node.js Command prompt there. Restrict code to specific developers. I added 'C:\Program Files\nodejs' to my Environment Variable 'PATH'. user variable or System variables >> new >> put variable name and path : like this C:\Program Files\nodejs I have a feeling that some Chocolatey install adds this troubling quote but I am just not sure which one. right click my pc properties Check the spelling of the name, or if a path was included, verify that the path is correct and try again”. npm uninstall --save-dev; npm start; npm test; npm publish [tag] npm deprecate [@version] message (experimental) npm run