What is ShimEng.dll?

ShimEng.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 ShimEng.dll is a Windows system file or if it belongs to an application that you can trust.

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ShimEng.dll file information

The process known as Shim Engine DLL belongs to software Microsoft Windows Operating System by Microsoft (

Description: ShimEng.dll is not essential for Windows and will often cause problems. ShimEng.dll is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 111,104 bytes (59% of all occurrences), 65,024 bytes, 65,536 bytes or 66,048 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program is not visible. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The ShimEng.dll file is not a Windows core file. The ShimEng.dll file is a trustworthy file from Microsoft. ShimEng.dll appears to be a compressed file. Therefore the technical security rating is 42% dangerous, however you should also read the user reviews.

Recommended: Identify ShimEng.dll related errors

Important: Some malware camouflages itself as ShimEng.dll. Therefore, you should check the ShimEng.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.


User Comments

Windows operation
Application compatibility component, may be target for hacking
  ddebug   (further information)
Shimeng.dll ist ein Keylogger
Shimeng.dll is a Keylogger
i have detected rootkit activity with rootkit unkooker and gmer but this one is so well done almost nothing detects it
Ist ein Keylogger
Its a name of keylogger file...
  adrian   (further information)
At least one rootkit uses it, run Rootkit Unhooker to detect
  user   (further information)
It is basically used for side by side execution of .NET compliant application or CLR compliant application. Use to get the version information of other dlls and get otehr parameter from the host to run the CLR.
  Sachin Gupta  

Rating chart

Summary: Average user rating of ShimEng.dll: based on 9 votes with 9 user comments. 2 users think ShimEng.dll is essential for Windows or an installed application. One user suspects danger. 6 users think ShimEng.dll is dangerous and recommend removing it. One user is not sure about it.

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Best practices for resolving ShimEng issues

A clean and tidy computer is the key requirement for avoiding problems with ShimEng. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the ShimEng.dll process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

ShimEng.dll [all]