It analyzes existing Windows event logs, meaning it doesn't need to run in the background to collect data. Versions: Freeware: Limited to 3 weeks of history and single-PC use.
: Users can analyze if they are over-utilizing or under-utilizing their systems to manage work habits. PC On Off Time
At its core, is a historical record of system events related to power transitions. The operating system logs every startup (boot), shutdown, sleep, hibernation, and unexpected power loss. This data is stored in Windows Event Viewer under the "System" logs, tagged with specific Event IDs. It analyzes existing Windows event logs, meaning it
This is usually "Maintenance Wake" or "Update Orchestrator." Go to Settings > Windows Update > Advanced Options. Disable "Update automatically" or change active hours. Also, check your network adapter properties and disable "Wake on Magic Packet" unless you need it. At its core, is a historical record of
Does your PC restart at 3:00 AM every night? Logs showing unexpected shutdown times often indicate overheating, failing power supplies, or blue screen errors (BSOD). Knowing the exact timestamp of a shutdown helps you correlate events in the Event Viewer.
: This feature saves the kernel state to disk instead of fully shutting down. While it speeds up booting, it can prevent a "clean slate," sometimes causing persistent software bugs [3, 32].