mediasetupuimgr.dll - Analyze and How to Fix Errors

⚠️ Important Notice: Troubleshoot MediaSetupUIMgr.dll errors and optimize your system performance quickly. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
File version	10.0.19041.6094
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	13.4 Mb.	14034872 bytes.

Hashes:

MD5: c65819ace8f33dcdeece8572e763bcb9 ✅
SHA-1: 4bd302669364e483c1641f3f482f5d8ebcb01edb
SHA-256: 9256c0d121be28b34fc2c637d16bb7277b823574f780b69abed526715ea3300a
SHA-512: aaecd466cc33688a395217ff42fee24c95add95ee9321682597f405fd5e949f14b822a01ec9fd927c8229c367de1a47bd09e4dcbed6d99fe56875009c764c800

Digital file signature mediasetupuimgr.dll ✅

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

To fix the mediasetupuimgr.dll error without downloading any third-party files, you need to repair your Windows installation files or replace the file using built-in Windows tools. This error usually happens during a Windows upgrade or update when the installation media files get corrupted.

Here are the safest, built-in ways to fix it:

Method 1: Run SFC and DISM Tools

Windows has built-in repair tools that scan for missing or corrupted system files and replace them automatically with official versions.

1. Press Windows Key + S, type cmd.
2. Right-click Command Prompt and select Run as administrator.
3. Type sfc /scannow and press Enter. Wait for the scan to finish.
4. Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
5. Restart your computer.

Method 2: Clear the Windows Update Cache

Corrupted temporary update installation files often cause this error. Clearing them forces Windows to recreate clean versions.

1. Press Windows Key + R, type services.msc, and press Enter.
2. Find Windows Update, right-click it, and select Stop.
3. Open File Explorer and navigate to: C:\Windows\SoftwareDistribution\Download
4. Delete all files and folders inside this folder.
5. Go back to the Services window, right-click Windows Update, and select Start.

Method 3: Use the Official Windows Media Creation Tool

If you are getting this error while trying to upgrade Windows, your current installation media is broken. Instead of downloading a loose DLL file, rebuild the installer.

1. Download the official Media Creation Tool directly from Microsoft's website.
2. Run the tool and select Upgrade this PC now (or create a new bootable USB drive).
3. Choose the option to Keep personal files and apps.
4. Run the setup directly from the tool to overwrite the corrupted setup files.

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📊 Diagnostics Tool: Verify Your mediasetupuimgr.dll File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Connected files:
MFC42u.dll
├── msvcrt.dll
├── ntdll.dll
├── KERNEL32.dll
├── ADVAPI32.dll
├── USER32.dll
├── ole32.dll
├── OLEAUT32.dll
├── RPCRT4.dll
├── COMCTL32.dll
├── GDI32.dll
├── COMDLG32.dll
├── WMsgAPI.dll
├── WDSCORE.dll
├── SETUPAPI.dll
├── IMM32.dll
└── UxTheme.dll
Other versions:
️ mediasetupuimgr.dll 10.0.19041.6094 32-bit (x86) | ️ mediasetupuimgr.dll other
Similar files:
️mediasetupuimgr.dll.mui
Microsoft Corporation