If your computer feels slow when opening folders or launching apps and Task Manager shows 100% disk usage, don’t panic. This often comes from background services like SysMain, file system errors, outdated storage drivers, or a failing drive. Start with quick steps: restart, pick a High Performance power plan, or stop SysMain to see if …
This section explains how the page file affects system behavior and real-world responsiveness. Think of it as a safety net that backs infrequently used modified pages to disk, freeing RAM for active tasks. The pagefile .sys stores those backed pages and can also hold crash dumps. System-managed settings let the file grow when commit charge …

