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and Process Hacker for Windows

Process Hacker is a free, open-source utility for monitoring system processes and services running on both 32-bit and 64-bit Windows operating systems. It serves as a replacement or supplement to the Windows Task Manager.

The list of all processes can be displayed in various formats, including simple or tree view, with options to show hidden processes and more. A similar list for services allows for quick management (stopping, starting, deleting). Specific processes related to a single application are grouped together and highlighted with a distinct color. Monitoring and control also extend to dynamic link libraries (DLLs) and the detection and complete removal of rootkits.

Key features include:

  • Termination of any processes (including antivirus and firewall programs, thanks to the application’s kernel-mode driver);
  • Viewing process statistics;
  • Displaying performance graphs;
  • Full execution history of processes;
  • Customizable tree view with color coding;
  • Viewing memory used by a specific process;
  • Debugging executable programs;
  • Reading and editing security descriptors for processes, threads, and handles;
  • Detecting hidden processes and terminating them promptly;
  • Simple unloading of DLLs;
  • Viewing and closing network connections;
  • Detaching from debuggers.

As of June 2022, the program has been developed by a new team and has been rebranded as System Informer for Windows.

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Reader’s Thoughts

Graphs and statistics enable you to quickly identify resource-intensive processes and those that are consuming too many resources.
Press Ctrl+I to access system performance information. Hover your cursor over a graph to display a tooltip with details about the data point beneath it. You can double-click on the graph to view information about the process associated with that data point, even if the process is no longer active.

Jack

Unable to edit or delete a file? Find out which processes are utilizing that file.
Use Ctrl+F to search for a handle or DLL. If all else fails, you can right-click on an entry and close the handle linked to the file. However, this should only be considered as a last resort, as it may result in data loss or corruption.

Daniel

Check which programs have active network connections and terminate them if necessary.
Press Ctrl+I to view system performance information. Move your cursor over a graph to see a tooltip with information about the data point beneath it. You can double-click the graph to obtain details about the process at that data point, even if it is no longer running.

Joani