DLLme Status Repository Overview
Libraries 213,105
Validated Hashes 1,838,869
Queued for Validation 20,303
Quarantined 2,356
DLL

System.Net.WebHeaderCollection.dll

Download and install System.Net.WebHeaderCollection.dll to fix missing or corrupted DLL errors.

(549 Files Available)
Last Updated
Downloads

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft® .NET
Description
System.Net.WebHeaderCollection
Architecture
x86-64 (64 bit) x86 (32 bit) Unknown Unknown ARM64 Unknown Unknown Unknown ARM (Thumb 2)
Metadata Consensus
104/549 Files 18.9%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Microsoft Corporation 188
  • Mono development team 38
  • Xamarin, Inc. 6
  • Unknown 317

Products

  • Microsoft® .NET 104
  • Microsoft® .NET Framework 81
  • Mono Common Language Infrastructure 44
  • Microsoft® .NET Core 3
  • Unknown 317

Descriptions

  • System.Net.WebHeaderCollection 203
  • System.Net.WebHeaderCollection.dll 6
  • Unknown 340

Frequently Asked Questions

What is System.Net.WebHeaderCollection.dll?

Metadata analysis shows System.Net.WebHeaderCollection.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Microsoft® .NET and is described as “System.Net.WebHeaderCollection” .

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 Most errors occur because the DLL is missing, corrupted, or outdated.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

Browse all files to filter by metadata and to view the latest version available.

NEW Verified
System.Net.WebHeaderCollection.dll
Incomplete Metadata
Uploaded: Aug 30, 2026   Size: 66.4KB
SHA256: a2c118e88d52fb11ec1e4d980fd64d0af3aa87fa35cb876e9b426d938d2e6139
SHA1: 259ea6df3edb46dcdafb00e01715993814dbb368
MD5: 29be69bb9ecc6d8bcfcb94aa19d0690b
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
System.Net.WebHeaderCollection.dll
Incomplete Metadata
Uploaded: Aug 30, 2026   Size: 57.7KB
SHA256: e4870edcc3cb722c052b73ecf3d53ce448164f6dda6faac177a48a5947252fca
SHA1: f612c3fc0e463bf045631908e0720139b81cf1cb
MD5: 628d799266c5d35cda504f165d9f9a39
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
System.Net.WebHeaderCollection.dll
Incomplete Metadata
Uploaded: Aug 30, 2026   Size: 64.7KB
SHA256: 34fa2873a65b3499a57c2565ccd74984ab17a48f3a7dc033900aec4e0fb89536
SHA1: 92e96bc496d1694c612cb92d9533f7aa4c28bb1e
MD5: c6d934e9c50c0b200774e8264aa1a39f
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
System.Net.WebHeaderCollection.dll
Incomplete Metadata
Uploaded: Aug 30, 2026   Size: 65.8KB
SHA256: f6ba056cc6fbfdb860472a16dcb13f04724d331fa1cd34cd245ad1cad827e15d
SHA1: 739c27fe92236d44fc5d4fe0aeef8d2e894ad07d
MD5: 532d224dd01aaeeed4d7ccc1bd23ce5d
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
NEW Verified
System.Net.WebHeaderCollection.dll
Incomplete Metadata
Uploaded: Aug 30, 2026   Size: 66.4KB
SHA256: dfab9f3a4148575e8eb22974b5c7dc53e8f72a32e641b3053b8ef820bb55cf5c
SHA1: 181fd19f4f67dd99662ce4d1db42b8bec5caab83
MD5: ffca5b58af890e5a7c078f98371310d2
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD