What is OESHook.dll?

OESHook.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if OESHook.dll is a Windows system file or if it belongs to an application that you can trust.

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OESHook.dll file information

The process known as Metamail Reader Plug-In for MS Outlook Express belongs to software Metamail Reader Plug-In for MS Outlook Express by Metamail.

Description: OESHook.dll is not essential for the Windows OS and causes relatively few problems. OESHook.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 45,056 bytes (77% of all occurrences) or 36,864 bytes. 
This is a special .dll file (Dynamic Link Library), which starts automatically when programs are launched. So it can monitor or manipulate all of your program starts. The program is not visible. The OESHook.dll file is not a Windows system file. It monitors program starts. Therefore the technical security rating is 58% dangerous.

Recommended: Identify OESHook.dll related errors

Important: Some malware camouflages itself as OESHook.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the OESHook.dll 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.


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Best practices for resolving OESHook issues

A clean and tidy computer is the key requirement for avoiding problems with OESHook. 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 repairing of your installation or, for Windows 8 and later versions, 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 OESHook.dll 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

OESHook.dll [all]