diskopt.dll: download the file and fix the error

32-bit (x86) Scanned by antivirus

diskopt.dll is a dynamic link library (DLL) used by some Windows programs. Version offered here: 32-bit.

Programs that need it refuse to start, or show an error, when it is missing or damaged. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only diskopt.dll

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

⇓ Download diskopt.dll .zip file: the DLL + its instructions · downloaded 2,102 times

Architecture: 32-bit (x86)
Size: 73.73 KB

Then:

Extract diskopt.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? Copy it to C:\Windows\SysWOW64 (64-bit Windows) or C:\Windows\System32 (32-bit Windows), then restart.

SHA-256: 6465e98fb295c844876ba11c3878b9ee8ef279808063224523fe495d18776eb4 · Check on VirusTotal

Method 2 ·complete · depends on the program

Reinstall the program that shows the error

The program normally provides diskopt.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 diskopt.dll

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

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