Process Hacker

A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware.

System requirements

Windows 7 or higher, 32-bit or 64-bit.

Features

A detailed overview of system activity with highlighting.
Graphs and statistics allow you quickly to track down resource hogs and runaway processes.
Can't edit or delete a file? Discover which processes are using that file.
See what programs have active network connections, and close them if necessary.
Get real-time information on disk access.
View detailed stack traces with kernel-mode, WOW64 and .NET support.
Go beyond services.msc: create, edit and control services.
Small, portable and no installation required.
100% Free Software (GPL v3)

Building the project

Requires Visual Studio (2017 or later).

Execute build_release.cmd located in the build directory to compile the project or load the ProcessHacker.sln and Plugins.sln solutions if you prefer building the project using Visual Studio.

You can download the free Visual Studio Community Edition to build, run or develop Process Hacker.

Additional information

You cannot run the 32-bit version of Process Hacker on a 64-bit system and expect it to work correctly, unlike other programs.

Enhancements/Bugs

Please use the GitHub issue tracker for reporting problems or suggesting new features.

Settings

If you are running Process Hacker from a USB drive, you may want to save Process Hacker's settings there as well. To do this, create a blank file named "ProcessHacker.exe.settings.xml" in the same directory as ProcessHacker.exe. You can do this using Windows Explorer:

Make sure "Hide extensions for known file types" is unticked in Tools > Folder options > View.
Right-click in the folder and choose New > Text Document.
Rename the file to ProcessHacker.exe.settings.xml (delete the ".txt" extension).

Plugins

Plugins can be configured from Hacker > Plugins.

If you experience any crashes involving plugins, make sure they are up to date.

Disk and Network information provided by the ExtendedTools plugin is only available when running Process Hacker with administrative rights.

KProcessHacker

Process Hacker uses a kernel-mode driver, KProcessHacker, to assist with certain functionality. This includes:

Capturing kernel-mode stack traces
More efficiently enumerating process handles
Retrieving names for file handles
Retrieving names for EtwRegistration objects
Setting handle attributes

Note that by default, KProcessHacker only allows connections from processes with administrative privileges (SeDebugPrivilege). To allow Process Hacker to show details for all processes when it is not running as administrator:

In Registry Editor, navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\KProcessHacker3
Under this key, create a key named Parameters if it does not exist.
Create a DWORD value named SecurityLevel and set it to 2. If you are not using an official build, you may need to set it to 0 instead.
Restart the KProcessHacker3 service (sc stop KProcessHacker3, sc start KProcessHacker3).

License

Escape2k/processhacker

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