Screenshots not working on MacBook Pro
I am doing a lot of screenshots creating Standard Operating Procedures for my business and a few days ago, the shortcurts for screenshots stopped working. When I click on 'Shift+Command+4' it tabs to another window in Chrome. In Excel, it does nothing.
I have:
1) Rebooted the laptop several times.
2) I have checked the shortcuts are ticked in 'Keyboards' section of System Preferences
3) I have cleared NVRAM by holding down Option, Command, P+R.
Still not working. Any ideas?
MacBook Pro 13", macOS 10.14