defragsvc.dll: download the file and fix the error

64-bit (x64) Système d'exploitation Microsoft Windows Scanned by antivirus

defragsvc.dll is a file of the software Système d'exploitation Microsoft Windows (“MicrosoftOptimiseur de lecteur”), published by Microsoft Corporation. Version offered here: 10.0.14393.0, 64-bit.

An error message appears when the program concerned starts if this file is missing, deleted or corrupted. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only defragsvc.dll

Ideal if only this file is reported missing: you replace a single file, without reinstalling anything.

⇓ Download defragsvc.dll .zip file: the DLL + its instructions · downloaded 1,855 times

Version: 10.0.14393.0
Architecture: 64-bit (x64)
Size: 511.49 KB
Publisher: Microsoft Corporation

Then:

Extract defragsvc.dll from the zip file and copy it to the folder of the program showing the error (where its .exe file is).
Still getting the error? Also copy it to C:\Windows\System32 (64-bit Windows only), then restart.

64-bit version: it does not work with a 32-bit program. In that case, use method 2.

SHA-256: 68ea91a969dd80a5de28b0a8eaeb308837183713559c2c2faef991858c971393 · Check on VirusTotal · Product: Système d'exploitation Microsoft Windows

Method 2 ·complete · depends on the program

Reinstall the program that shows the error

The program normally provides defragsvc.dll itself, in the exact version it expects. Recommended if several files are missing or if the error comes back.

Settings › Apps › Installed apps: uninstall the program or game concerned.
Reinstall it from its original setup program, then restart your computer.

Error messages related to defragsvc.dll

The program can't start because defragsvc.dll is missing.
Failed to load defragsvc.dll
Error loading defragsvc.dll. The specified module could not be found.

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