npm ERR! syscall open
npm ERR! path C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\5f495f30
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\5f495f30'
npm ERR! [OperationalError: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\5f495f30'] {
npm ERR! cause: [Error: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\5f495f30'] {
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'open',
npm ERR! path: 'C:\\Users\\pc~1\\AppData\\Roaming\\npm-cache\\_cacache\\tmp\\5f495f30'
npm ERR! },
npm ERR! isOperational: true,
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'open',
npm ERR! path: 'C:\\Users\\pc~1\\AppData\\Roaming\\npm-cache\\_cacache\\tmp\\5f495f30'
npm ERR! }
npm ERR!
npm ERR! The operation was rejected by your operating system.
npm ERR! It's possible that the file was already in use (by a text editor or antivirus),
npm ERR! or that you lack permissions to access it.
npm ERR!
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator.
npm ERR! code EPERM
npm ERR! syscall open
npm ERR! path C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\21bcf4ec
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\21bcf4ec'
npm ERR! [OperationalError: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\21bcf4ec'] {
npm ERR! cause: [Error: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\21bcf4ec'] {
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'open',
npm ERR! path: 'C:\\Users\\pc~1\\AppData\\Roaming\\npm-cache\\_cacache\\tmp\\21bcf4ec'
npm ERR! },
npm ERR! isOperational: true,
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'open',
npm ERR! path: 'C:\\Users\\pc~1\\AppData\\Roaming\\npm-cache\\_cacache\\tmp\\21bcf4ec'
npm ERR! }
npm ERR!
npm ERR! The operation was rejected by your operating system.
npm ERR! It's possible that the file was already in use (by a text editor or antivirus),
npm ERR! or that you lack permissions to access it.
npm ERR!
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator.
npm ERR! code EPERM
npm ERR! syscall open
npm ERR! path C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\2deddd01
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\2deddd01'
npm ERR! [OperationalError: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\2deddd01'] {
npm ERR! cause: [Error: EPERM: operation not permitted, open 'C:\Users\pc~1\AppData\Roaming\npm-cache\_cacache\tmp\2deddd01'] {
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'open',
npm ERR! path: 'C:\\Users\\pc~1\\AppData\\Roaming\\npm-cache\\_cacache\\tmp\\2deddd01'
npm ERR! },
npm ERR! isOperational: true,
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'open',
npm ERR! path: 'C:\\Users\\pc~1\\AppData\\Roaming\\npm-cache\\_cacache\\tmp\\2deddd01'
npm ERR! }
npm ERR!
npm ERR! The operation was rejected by your operating system.
npm ERR! It's possible that the file was already in use (by a text editor or antivirus),
npm ERR! or that you lack permissions to access it.
npm ERR!
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator.
Solution:-
1) run npm config edit in command prompt
- change this line to ; cache=C:\Users\pc\AppData\Roaming\npm-cache
2) run npm uninstall -g create-react-app in command prompt as admin mode
3) npx create-react-app <folderName> : create a new react app
4) cd <folderName>
5) npm start : launch react app
