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dwmcorei.dll

Updated: Files Available: 92
Verified Metadata AI Analysis x86-64 (64 bit) x86 (32 bit) ARM64

Download and install dwmcorei.dll to fix missing or corrupted DLL errors.

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DLL Overview

Last Updated
Mar 30th, 2026
Filename
dwmcorei.dll
Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
Microsoft Composition ServerLibrary
Architecture
x86-64 (64 bit) x86 (32 bit) ARM64
Metadata Consensus
92/92 Files 100%
Higher percentages indicate stronger agreement across versions. View available versions or browse repository metadata to compare differences between variants.

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About dwmcorei.dll

dwmcorei.dll is a DLL file (Dynamic Link Library) used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy.

AI-assisted overview · Sep 19, 2023

Overview

The file "dwmcorei.dll" is a component of the Microsoft Windows operating system. It stands for "Microsoft Composition Server Library" and is associated with the Desktop Window Manager (DWM) core functionality.

The DWM is responsible for visual effects and rendering of graphical elements, such as window composition, desktop composition, and desktop effects. The dwmcorei.dll file contains the necessary functions and resources for the proper functioning of the DWM in Windows.

If you encounter an error related to dwmcorei.dll, it can affect the visual appearance and performance of your Windows desktop environment. Some common error messages associated with dwmcorei.dll issues include "dwmcorei.dll is missing," "dwmcorei.dll not found," or "Application Error: Faulting module dwmcorei.dll."

Here are some steps you can take to address such errors:

  1. Restart your computer: Sometimes, a simple restart can resolve temporary issues related to dwmcorei.dll.

  1. Update Windows: Ensure that your operating system is up to date with the latest Windows updates and patches. Microsoft often releases updates that include bug fixes and improvements for system files like dwmcorei.dll.

  1. Run System File Checker (SFC): The System File Checker (SFC) tool is a built-in Windows utility that scans for and repairs corrupted system files. Open the Command Prompt as an administrator and run the command "sfc /scannow" to initiate the scan and repair process.

  1. Update graphics drivers: Outdated or incompatible graphics drivers can sometimes cause issues with the DWM and related files. Visit the website of your graphics card manufacturer and download the latest drivers compatible with your system.

  1. Check for malware: Perform a scan of your system using reliable antivirus or anti-malware software. Malware infections can corrupt system files, including dwmcorei.dll, leading to errors. Remove any detected threats.

  1. Seek professional assistance: If the error persists or if you are unsure about performing advanced troubleshooting steps, it is recommended to seek assistance from a qualified technician or contact Microsoft Support for further guidance.

Note: When dealing with system files like dwmcorei.dll, it is important to exercise caution. Modifying or replacing these files without proper knowledge or guidance can lead to system instability or other issues.

File information is supported by Human Assisted Artificial Intelligence and should be used as a helpful tool. However, it is important to keep in mind that this information may not be up-to-date or entirely accurate.

Troubleshooting DLL Errors

Most errors involving dwmcorei.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common and reliable ways to fix these errors.

Windows DLL Error Examples

This application has failed to start because dwmcorei.dll was not found. Re-installing the application may fix this problem.
dwmcorei.dll Not Found.

Fixes and Solutions

The first step in resolving DLL errors is to completely uninstall the affected software and reinstall its latest version. We know this does not always solve the problem, which is why DLLme exists. If reinstalling the application does not help, or if you are unsure which app is causing the error, follow the steps below. These are the most common solutions for fixing dwmcorei.dll errors.

  • Repair Windows: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator (search for “PowerShell” in the Start menu, right-click it, and choose “Run as administrator”). This allows you to repair the Windows component store and run the System File Checker (SFC).

    Repair the Windows component store so SFC can pull clean files:

    DISM /Online /Cleanup-Image /RestoreHealth

    Scan all protected system files and automatically repair problems:

    sfc /scannow
  • Uninstall & Reinstall: On this DLL page, check the Company/Product section to identify the related app, then fully uninstall it. If you plan to continue using it, reinstall the latest version. Be sure to save or back up any important data before uninstalling. Windows or antivirus software may sometimes quarantine DLL files, especially if the DLL is unfamiliar or appears suspicious. Check your antivirus quarantine or logs to determine if this is the cause of your issue.
  • Download the DLL: Download the latest 32-bit or 64-bit version of the DLL directly from our repository using the download button above. Most users will need the 64-bit version, but if you are unsure, or if a 64-bit version is not available, you can install both the 32-bit and 64-bit DLLs. DLLme verifies DLLs that come from our admins, partners, and trusted affiliates. User-uploaded files may be verified later if a trusted source is confirmed.
  • Register the DLL: Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

    Register the DLL (you can also drag the DLL file into the window to automatically fill in its full path): 

    regsvr32 "C:\path\to\dwmcorei.dll"

    If you are registering a 32-bit DLL on 64-bit Windows, use the 32-bit RegSvr32: 

    C:\Windows\SysWOW64\regsvr32 "C:\path\to\dwmcorei.dll"

    Or open Windows Terminal/PowerShell in the DLL’s folder and run: 

    regsvr32 dwmcorei.dll

How to Install dwmcorei.dll

To install dwmcorei.dll, place the DLL file in the appropriate Windows system folder or in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both.

On 64-bit versions of Windows, place 64-bit DLL files in:

C:\Windows\System32\dwmcorei.dll

Place 32-bit DLL files in:

C:\Windows\SysWOW64\dwmcorei.dll

Or place the DLL file next to the application’s .exe:

C:\path\to\exe\dwmcorei.dll

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