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: c71d169098ff92baad896efe96761ef178c1d46244c067de8bafc4eb2fe2a917

SHA1: 682986e7fa0cf4e35ad0de454eef3e49dc57a87c

MD5: 57a1c3fadc3bac982ce1f9cb21cfd0d5

Metadata

Integrity Check
Passed
Metadata
Complete
Company
Mono development team
Product
Mono Common Language Infrastructure
Description
System.IO.Compression.FileSystem.dll
Build Note
System.IO.Compression.FileSystem.dll
Copyright
(c) Various Mono authors
Architecture
x86 (32 bit)
Version
4.7.2046.0
Product Version
4.7.2046.0
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2026-08-30
First Upload
2023-12-07
Uncompressed Size
7.5KB
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.