Windows button crashing and cannot use Start Menu or Cortana - Microsoft Community

every time click on microsoft button either on screen or on keyboard entire screen goes black , reloads if nothing happened. can't type in cortana. can't settings because can't access screen apps on it. how can fix this? 

original subject: microsoft 10 crashing

***subject edited clarity moderator.***

hi rebekah,

to resolve issue, suggest download , run the start menu troubleshooter. after you've completed troubleshooter, restart computer.

for additional troubleshooting steps, refer following link: troubleshoot problems opening start menu or cortana.

if issue persists, use system file checker tool repair missing or corrupted system files. steps on how run system file checker tool, check following link: use system file checker tool.

let know how goes assist further.

Windows / Windows 10 / Performance & system failures / PC