windowscodecs.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Windows Codecs DLL - Essential File for Media Codec Support on Windows Systems Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	other	️ Not detected
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	ℹ️ Unverified	File Hash protection is missing.
File size	76.9 kb.	78719 bytes.

Hashes:

MD5: ba304fcb2081d787471cde720c8c350c
SHA-1: e9a967d36d508cc3450a8b2562240c732ecfd27b
SHA-256: 672e511a7883b37d654b1a05b12571112570f3b8d1f6baa6aa1bcf3a535ef0d2
SHA-512: 87b8b6021927d67626ddbddb52d57343394005c09327fd9c2a5d93a4781d4dd1d6070a347ac1ef9a663a95c1e14bb8cb523c2112a4537716f386b17c7d155642

The windowscodecs.dll file is a critical system component responsible for handling images and codecs in Windows. If it is missing or corrupted, you can repair it using built-in Windows tools without downloading anything from third-party websites.

Method 1: Run SFC and DISM Scan

Windows has built-in repair tools that scan system files and automatically replace corrupted copies using internal system backups.

Press Windows Key + S, type cmd.
Right-click Command Prompt and select Run as administrator.
Type sfc /scannow and press Enter.
Wait for the scan to finish (10-15 minutes).
If errors remain, type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
Restart your computer.

Method 2: Re-register the DLL File

If the file exists but Windows cannot read it, re-registering it via the command line can restore its functionality.

Open Command Prompt as administrator (same as Method 1).
Type regsvr32 windowscodecs.dll and press Enter.
A success message should pop up. Click OK.
Restart your computer.

Method 3: Perform a System Restore

If the error started recently, you can roll back your system files to a point when the computer worked correctly.

Press Windows Key + R, type rstrui, and press Enter.
Click Next in the System Restore window.
Select a restore point dated before the error started.
Click Next, then click Finish to start the rollback.

To help find the exact cause, let me know:

What specific error message or code do you see?
When does this error pop up? (At startup, or when opening a specific app/game?)

📊 Diagnostics Tool: Verify Your `windowscodecs.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.

Other versions:
️ windowscodecs.dll 10.0.19041.5794 64-bit (x64) | ️ windowscodecs.dll 10.0.19041.867 32-bit (x86)
Similar files:
️windowscodecsraw.dll | ️windowscodecsext.dll