All the computers in your area are scheduled to be rebooted during the night starting at 10 PM, Thursday, May 22nd. To avoid lost data in documents you are currently maybe working on,
Why are we rebooting the computers in your area?
While this is a routine scheduled IT maintenance, you do not have to wait for our maintenance window - starting at 10 PM, May 22nd. You can reboot your computer regularly yourself.

For more information on the benefits of rebooting, please visit:
Top Nine Reasons Restarting Your Computer Is Important
It is highly recommended to take the short cybersecurity training for securing both personal and institutional assets.
Cybersecurity Training
York IT