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Validated Hashes 1,838,869
Queued for Validation 20,303
Quarantined 2,356

System.Web.Http.SelfHost.dll

SHA256: 8b9630e4e251a5a1caa6e77173a0ba4d542e9bbf7b3280437e8364c91b00e736

SHA1: 951bd266fb8fc6f1ef3e3afaecc03bf4be48bade

MD5: 4fb9586bcb2964a32b5c93bd08f777ec

Metadata

Integrity Check
Passed
Metadata
Complete
Company
Microsoft Corporation
Product
Microsoft ASP.NET MVC
Description
System.Web.Http.SelfHost
Build Note
N/A
Copyright
© Microsoft Corporation. All rights reserved.
Architecture
x86 (32 bit)
Version
4.0.0.0
Product Version
4.0.0.0
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2026-08-30
First Upload
2026-08-30
Uncompressed Size
86KB
Uploader Comment
N/A

Install Instructions

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.