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

System.IO.Compression.FileSystem.dll

SHA256: d351ab34e4d9bc8a9ac3f5781ffec2087df417874189c374f5771dceb6e8bb2b

SHA1: ee98d7182cb7a1f85a7d319c9eae744987f96508

MD5: 106212533019c8c4cdfb94c3a1e6ed3e

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
9.0.925.41916
Product Version
9.0.9+893c2ebbd49952ca49e93298148af2d95a61a0a4
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2025-09-16
First Upload
2025-09-16
Uncompressed Size
15.3KB
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.