In Uptime IM 7.7, the names of the Windows services have changed; instead of "up.time ...", they now say "Uptime ...". This change means that existing Windows Service Check service monitors that check the status of the Uptime services will go CRIT soon after upgrading to Uptime 7.7.
To resolve, edit the affected Windows Service Check monitor and change "up.time" in the service name field to "Uptime". ex.
Old Windows service name:
New Windows service name