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

System.IO.Compression.FileSystem.dll

SHA256: a0ef81b1cd31d838e607cc6dc528fa2b0f66a40fe45d14e6f794b251a840c913

SHA1: 71c0db016f0d7aa0a300c41e342a3f885f6af5e9

MD5: b1fe57a48cc78d82959c6f3bdb136a53

Metadata

Integrity Check
Passed
Metadata
Complete
Company
Microsoft Corporation
Product
Microsoft® .NET
Description
System.IO.Compression.FileSystem
Build Note
System.IO.Compression.FileSystem
Copyright
© Microsoft Corporation. All rights reserved.
Architecture
x86 (32 bit)
Version
9.0.925.41916
Product Version
9.0.9+893c2ebbd49952ca49e93298148af2d95a61a0a4
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2025-09-16
First Upload
2025-09-16
Uncompressed Size
15.3KB
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.