DLL

dosvc.dll

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

(38 Files Available)
Last Updated
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Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® Windows® Operating System
Description
Delivery Optimization
Architecture
x86-64 (64 bit) ARM64 x86 (32 bit)
Metadata Consensus
38/38 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Frequently Asked Questions

What is dosvc.dll?

Metadata analysis shows dosvc.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® Windows® Operating System and is described as “Delivery Optimization” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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

NEW Verified
dosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Delivery Optimization
Version: 10.0.26100.8972 (WinBuild.160101.0800)
Product Version: 10.0.26100.8972
Language: U.S. English (1033)
Uploaded: Aug 13, 2026   Size: 96KB
SHA256: 2112f39ffbaf013f81596cfb953257cb0e7d41437988e2bf5c599bd261af2d8c
SHA1: 672f6b8707c4183fbe26cea71bcbfd1e8afcbd9e
MD5: d5b2fc60d1bfb6c33f15071ab0f61edb
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
dosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Delivery Optimization
Version: 10.0.26100.8737 (WinBuild.160101.0800)
Product Version: 10.0.26100.8737
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 96KB
SHA256: f603cda9d43b22f7a1065621e117325c749f1827309142b12c230f73bd1018f0
SHA1: b6f9e83eef8a0b032fdb45bcc23abb6a4e8c45a0
MD5: d8da19c82cba03aae9262a2b85f6ba6b
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
dosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Delivery Optimization
Version: 10.0.26100.5074 (WinBuild.160101.0800)
Product Version: 10.0.26100.5074
Language: U.S. English (1033)
Uploaded: Sep 11, 2025   Size: 96KB
SHA256: 5f3cadce61e79d07a584e8b99c9dd2f9d99b51f66115a1efe4a558ef5ec1843c
SHA1: b55cd50f8b9dfc8f7ba5ff6411f37dfb91e7a88a
MD5: cac31e2ff248084690ab5949bc4d3aed
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
dosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Delivery Optimization
Version: 10.0.26100.1 (WinBuild.160101.0800)
Product Version: 10.0.26100.1
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 96KB
SHA256: 9583058aafd9cf066ac4e378238d85908d2ce32079a9f39eaefacd967d07920a
SHA1: dd69013fbd9a2570902cd92fd02f2058fd551b68
MD5: 207a3cd9f7ca9bb06b0d910b17745b8e
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
Verified
dosvc.dll
by Microsoft Corporation
for Microsoft® Windows® Operating System
Delivery Optimization
Version: 10.0.26100.2033 (WinBuild.160101.0800)
Product Version: 10.0.26100.2033
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 96KB
SHA256: c3045111f9ea152bb30b939200da2764ba179aebd125d6b1262feb6ba95ac131
SHA1: beb9da92326a2ccdcd0800a04665d0627f48c194
MD5: df673d7a50a966b776a3678f4fbaf60c
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD