What should I do i can't install macos sierra error is the installer information on the recovery server is damaged ... macbook pro 13" 2017
Delete any Install MacOS Sierra app in the Application folder, then try in safe mode...
Safe Boot from the HD, (holding Shift key down at startup), does the problem occur in Safe Mode?
https://support.apple.com/kb/sp742?locale=en_US
https://itunes.apple.com/us/app/macos-sierra/id1127487414?ls=1&mt=12
Or High Sierra...
https://support.apple.com/kb/sp765?locale=en_US
https://itunes.apple.com/app/macos-high-sierra/id1246284741?mt=12
What should I do i can't install macos sierra error is the installer information on the recovery server is damaged ... macbook pro 13" 2017
