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Validated Hashes 1,838,869
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Quarantined 2,356

System.IO.Compression.FileSystem.dll

SHA256: 554e8290209d346a6b01e34684d45c07684e5ef41054781ad3b709895b52a580

SHA1: f5397bc8045b6ed7c90ce5a7f2a1b617a1a713ee

MD5: 264f60953a36923a28066a898d0f4387

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.