The Windows Automatic Updates feature is great, however those nagging reboot reminders can drive you crazy. I can only recommend to turn this off.
1. Reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AlwaysAutoRebootAtScheduledTime /t REG_DWORD /d 1 /f
2. From a command prompt "shutdown -a"
3. NET STOP WUAUSERV