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: 23f7b5aff05edeb239b4a4c952f10fe88cd2ddb8d43fb122ee0d48efefc4db98

SHA1: 5f4ffaa910fe4ad2ee6ea8fe89df2c0daa8639fa

MD5: 91376bf02a0abe989c1dbc7069554b36

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
4.6.57.0
Product Version
4.6.57.0
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2025-11-24
First Upload
2025-11-14
Uncompressed Size
18KB
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.