DLL

usosvc.dll

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

(53 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
Update Session Orchestrator Service
Architecture
x86-64 (64 bit) ARM64 x86 (32 bit)
Metadata Consensus
53/53 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is usosvc.dll?

Metadata analysis shows usosvc.dll is a Dynamic Link Library (DLL) and is described as Update Session Orchestrator Service .

DLL files (Dynamic Link Library) are used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy. Most errors occur because the DLL is missing, corrupted, or outdated.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 usosvc.dll errors?

Most errors involving usosvc.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common ways to fix DLL errors.

  • Software DLLs: Fully un-install the application and then re-install the latest version. If you are not sure what software is causing problems, check available metadata for clues. If this does not solve your issue, you can try downloading and installing the DLL manually.
  • Windows DLLs: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator. Repair the Windows component store so SFC can pull clean files DISM /Online /Cleanup-Image /RestoreHealth and then scan all system files sfc /scannow to automatically repair problems.
How do I install usosvc.dll?

To install usosvc.dll, place the DLL file in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both. If you dont know the application or this does not work, install the DLL to the appropriate Windows system folder.

  • Software Install (Recommended): If known, place the DLL file next to the application’s .exe C:\path\to\exe\usosvc.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\usosvc.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\usosvc.dll
How do I register usosvc.dll?

Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

  • 64-Bit DLL: Register the DLL file regsvr32 "C:\path\to\usosvc.dll". (Drag a DLL to automatically fill the full path).
  • 32 Bit DLL: If you are registering a 32-bit DLL on 64-bit Windows, C:\Windows\SysWOW64\regsvr32 "C:\path\to\usosvc.dll".

Latest Releases

usosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Update Session Orchestrator Service
NEW Version: 10.0.26100.8737 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.8737
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 104KB
SHA256: 11df76480fb3c8e2742ab992112516d4e34f3793f8e0023ccbc060d737442e52
SHA1: 510911f19326a643026d0f5e65664707d6801109
MD5: ed025b452b8ee6796b7b0779bd68bb4a
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
usosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Update Session Orchestrator Service
Version: 10.0.26100.6725 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.6725
Language: U.S. English (1033)
Uploaded: Jul 2, 2026   Size: 108KB
SHA256: d51a26f1d5ae825ea3d415b5e84936108c799fabcbcb775485224a0d2962513f
SHA1: d7522c19f52ab18c82f8a0308371accdb6b970f2
MD5: bcdaf5dd37837ab5f2a086fab2f78637
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
usosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Update Session Orchestrator Service
Version: 10.0.19041.5848 (WinBuild.160101.0800)
Product Version: 10.0.19041.5848
Language: U.S. English (1033)
Uploaded: Jan 11, 2026   Size: 569.5KB
SHA256: e87c99012edc7f5ec7ab0ee815d8ed120846bcd14dab94b6e650fffc6ef306ec
SHA1: 0ca855473e800a15a0504a7943921d406c147041
MD5: 1ce3f718559bbd8643f7e6a3bc456da6
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
usosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Update Session Orchestrator Service
Version: 10.0.26100.3912 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.3912
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 80KB
SHA256: 7958def7eac34b4966bbb3d80925903016b37d4ff0a1b654a5315e91654f2ca1
SHA1: 12190e3e167f6a8063c1026f273c4829b2fa54ef
MD5: 7f1a30ead8cf3fa711e95d4fc76c9c93
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
usosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Update Session Orchestrator Service
Version: 10.0.26100.5074 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.5074
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 112KB
SHA256: 42e8db31146df23b91e8a13b59929aec77efbe83e577f7c7e453c5b954643681
SHA1: 4bb598f975940dc1efc6ae2e7a392ab581b73daa
MD5: 191d3cf181510a0fef237053a1e7baf9
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD