What is patch.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the patch.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Patch.exe file information

Windows Task Manager with patch
Patch.exe process in Windows Task Manager

The process known as Patch MFC Application or RTPatch Executable belongs to software Project1 or Patch Application or RTPatch by Pocket Soft (

Description: Patch.exe is not essential for Windows and will often cause problems. Patch.exe is located in a subfolder of C:\Windows. Known file sizes on Windows 8/7/XP are 196,608 bytes (50% of all occurrences), 148,719 bytes or 45,093 bytes. 
There is no description of the program. The software starts when Windows starts (see Registry key: MACHINE\Run, MACHINE\RunServicesOnce, Winlogon\Shell, Run). The patch.exe file is not a Windows system file. Patch.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 52% dangerous, however you should also read the user reviews.

Recommended: Identify patch.exe related errors

External information from Paul Collins:
There are different files with the same name:

Important: Some malware also uses the file name patch.exe, for example Win32:Malware-gen or Win32:NetBus-AO [Trj] (detected by Avast), and Artemis!1E29FFAA4225 or NetBus.svr (detected by McAfee). Therefore, you should check the patch.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

It puts a trojan on keyhook.dll everytime windows starts
Some progs with this name are good but if you dont know if you put it on your pc its ISTVC Spyware
  bas   (further information)
Located in a C:/Program Files/ subfolder (iMacros, although seems unrelated)

Summary: Average user rating of patch.exe: based on 4 votes with 3 user comments. 4 users think patch.exe is dangerous and recommend removing it.

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Best practices for resolving patch issues

A clean and tidy computer is the key requirement for avoiding problems with patch. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the patch.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

patch.exe [all]