System.IO.Compression.FileSystem.dll
SHA256: f1be691686965e07a07a7082ad91c4980d12638b3d30b2c0b5c2011513c66aa9
SHA1: 27a27ecd9cc0338ab93b746237badd3a827d73f8
MD5: 522bc478abc7637f2b983ba070addca2
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.