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

System.IO.Compression.dll

SHA256: 40e9d883bb0e4c53b3d362d22b6ff956c599765e7461b18051ee9ed69d46fd08

SHA1: f71ef6b01ef6f53c281c2a7a6eee9bf73390f761

MD5: 85bb3bdd71c1a99598c56c26128a668e

Metadata

Integrity Check
Passed
Metadata
Complete
Company
Microsoft Corporation
Product
Microsoft® .NET Framework
Description
System.IO.Compression
Build Note
System.IO.Compression
Copyright
© Microsoft Corporation. All rights reserved.
Architecture
x86 (32 bit)
Version
4.6.31327.01
Product Version
4.6.31327.01 @BuiltBy: dlab14-fd304bc8c000000 @Branch: release/uwp6.2-MSRC @SrcCode: https://github.com/dotnet/corefx/tree/53eb6703edaf54d3b3f8eb2911325824b010049b
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2026-08-20
First Upload
2022-10-27
Uncompressed Size
115.4KB
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.