Problem description: An error occurred while Windows was synchronizing with time.windows.com
Or An error occurred while Windows was Synchronizing with 10.80.2.80 (internal time server)

Solutions:

Most of the time you get the error is due to the time server being down, so try again later.
Most of the time this error is due to the time server service being down, so try again later. Try another Server. (time.nist.gov) Try another time Server. (time.net.gov) Your firewall might be blocking W32Time, disable Firewall, update time and enable again. Close the firewall and resynchronize the time. The following steps will stop and start the time update application. Follow these steps to stop and start the time update program. Start > Run cmd.exe
net stop w32time
w32tm.exe /unregister
w32tm.exe /register
net start w32time

The original link: http://madman.blog.51cto.com/62132/418537

Reproduced in: https://blog.51cto.com/hunkz/1704211