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sdohlp.dll: download the file and fix the error

64-bit (x64) Microsoft® Windows® Operating System Scanned by antivirus

sdohlp.dll is a file of the software Microsoft® Windows® Operating System (“NPS SDO Helper Component”), published by Microsoft Corporation. Version offered here: 10.0.14393.0, 64-bit.

If this file is missing or damaged, the program that uses it does not start and Windows displays an error message. Two methods can fix the error, below.

Method 1 · quick · about 1 minute

Download only sdohlp.dll

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

⇓ Download sdohlp.dll .zip file: the DLL + its instructions · downloaded 1,845 times
Version
10.0.14393.0
Architecture
64-bit (x64)
Size
541.18 KB
Publisher
Microsoft Corporation

Then:

  1. Extract sdohlp.dll from the zip file and copy it to the folder of the program showing the error (where its .exe file is).
  2. 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: c9c0e3b404e4eb65305d31a11a8249d7096f76ecaacd425cf38b3d76a4eaf2f8 · Check on VirusTotal · Product: Microsoft® Windows® Operating System

Method 2 · complete · depends on the program

Reinstall the program that shows the error

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

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

Error messages related to sdohlp.dll

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

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