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

System.IO.Compression.FileSystem.dll

SHA256: 3568297166e056cf58e00e4e70f61ae008dd276ca544531e025bca5159dbeb4f

SHA1: 6ce2c52846adee7c9676b79bd3608f89159fb70f

MD5: 2e7d6523824e0c495b7e0501fbc9db2b

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
2025-12-24
First Upload
2025-12-24
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.