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DLL

iassdo.dll

Download and install iassdo.dll to fix missing or corrupted DLL errors.

(15 Files Available)
Last Updated
Downloads

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
NPS SDO Component
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
15/15 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Microsoft Corporation 15

Products

  • Microsoft® Windows® Operating System 15

Descriptions

  • NPS SDO Component 15

Frequently Asked Questions

What is iassdo.dll?

Metadata analysis shows iassdo.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® Windows® Operating System and is described as “NPS SDO Component” .

DLL files (Dynamic Link Libraries) are shared core modules used by Windows programs to run efficiently without duplicating code. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing Windows, or replacing the DLL resolves the issue.

How do I fix missing DLL errors?
1

Software Fix

Fully uninstall and reinstall the program causing the error. If you are not sure what program is broken, look at the available file metadata above for hints. If a clean reinstall fails, download and install the DLL file manually.

2

Windows System Fix

Make sure Windows is fully updated. To repair system files automatically, right-click the Start menu, open PowerShell (Admin), and run these two commands in order:

Step A DISM /Online /Cleanup-Image /RestoreHealth
Step B sfc /scannow
How do I install DLL files?
1

Download & Extract

Download the file, right-click the folder, and extract all files to your computer.

2

Install the .DLL

Move the extracted DLL file into the root folder of the software that is giving you the error (where its .exe file is located), or place it in the system directory below:

32-bit → C:\Windows\SysWOW64
64-bit → C:\Windows\System32
3

Restart the Program

Close and reopen the program or game so Windows can look for and load the new DLL file.

How do I register DLL files?

Most DLL files do not need registration. However, if your file is a COM component and requires explicit system registration, follow these steps:

1

Open Terminal

Right-click the Start menu and open PowerShell (Admin) or Command Prompt (Admin).

2

Run Command

Type the command below for your file type and press Enter. You can drag and drop the DLL file directly into the terminal window to fill its path automatically.

64-bit regsvr32 "C:\path\to\filename.dll"
32-bit C:\Windows\SysWOW64\regsvr32 "C:\path\to\filename.dll"

Latest Releases

Verified
iassdo.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
NPS SDO Component
Version: 10.0.26100.5074 (WinBuild.160101.0800)
Product Version: 10.0.26100.5074
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 353.5KB
SHA256: 5cab180909b2bc3633c3144b512e85e9ab3e54e4fa5b1a6399ac805f3c0755a2
SHA1: 832f3ee620f7e144a5d151081e0b2448592de225
MD5: 30150b8565dd6e409defb9ec230eed62
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
Verified
iassdo.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
NPS SDO Component
Version: 10.0.26100.5074 (WinBuild.160101.0800)
Product Version: 10.0.26100.5074
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 420KB
SHA256: 8c545465d81b964f8e6ae9824e07d7a9aabb0275b529b94fa8c646dca5324002
SHA1: d6c0612ab2eb3fb4411e505b11033551ad163147
MD5: 4f8e7d78d33d61b3a064d9b564897298
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
iassdo.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
NPS SDO Component
Version: 10.0.26100.1 (WinBuild.160101.0800)
Product Version: 10.0.26100.1
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 353.5KB
SHA256: c281847f09930d3e700bca25ee7e48f350e441129fc41122433be334d8700f9e
SHA1: 53dcac3550fb2c2772791780264c005cc345a68a
MD5: 9d50cd26991d2b556ee497e6dec1e9fe
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
Verified
iassdo.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
NPS SDO Component
Version: 10.0.26100.1 (WinBuild.160101.0800)
Product Version: 10.0.26100.1
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 424KB
SHA256: 81a7ba7fd4ef9b7009d56e59aa531607f0506bf432208bbac44f4d93723dcc3a
SHA1: 378f784174c95b12f2d88b451a41f942ed5ec2bf
MD5: df3762975e72efbd4b64ef84a70129ec
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
iassdo.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
NPS SDO Component
Version: 10.0.26100.1150 (WinBuild.160101.0800)
Product Version: 10.0.26100.1150
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 424KB
SHA256: 4cc3e1b6ca8df29d83563605fdedccfe0629dcf641819163c7ef1967831eaf27
SHA1: 889b54a24578b0a0ae90dfe8a67b3246bbaf446d
MD5: c1374fd80f9302316879b6d43ddf43a1
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD