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

System.IO.Compression.FileSystem.dll

SHA256: 4742c14ec6b1ab9fedb5241c87a55c50d6947ef31b26921fbab04bb1c9b1f881

SHA1: e3bd18ab9b355663019345f87adebffece85447a

MD5: 6f0f31494aaaed73c84f93da7c212652

Metadata

Integrity Check
Passed
Metadata
Complete
Company
Microsoft Corporation
Product
Microsoft® .NET Framework
Description
System.IO.Compression.FileSystem.dll
Build Note
System.IO.Compression.FileSystem.dll
Copyright
© Microsoft Corporation. All rights reserved.
Architecture
x86 (32 bit)
Version
4.8.9037.0
Product Version
4.8.9037.0
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2026-08-20
First Upload
2022-10-17
Uncompressed Size
17.4KB
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.