System.IO.Compression.FileSystem.dll
SHA256: 143aabfff5dc335d0ede0171591af4d92c8b41da4f4f8232dd7b6622cb968025
SHA1: 869a9d3580c5b83011f8af002c200c04669791b5
MD5: a7e6ad27aa72a8132958fc6d7401d28e
Metadata
Integrity Check
Passed
Metadata
Complete
Company
Microsoft Corporation
Product
Microsoft® .NET
Description
System.IO.Compression.FileSystem
Build Note
System.IO.Compression.FileSystem
Copyright
© Microsoft Corporation. All rights reserved.
Architecture
x86 (32 bit)
Version
Product Version
Backwards Friendly
4.0 (Windows 95)
Security Scan
VirusTotal
Last Validated
2026-08-20
First Upload
2026-08-18
Uncompressed Size
14.8KB
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.