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Libraries 213,105
Validated Hashes 1,838,869
Queued for Validation 20,303
Quarantined 2,356

System.IO.Compression.FileSystem.dll

SHA256: 003802572f4f962ec80f71595a63561d51ff80b56e02ef00e00ef765d5b12681

SHA1: 260c49cd8a96a05f9a2cd819669eb8ad44a52917

MD5: fa3b04762c5a82521063edb253e6a5ed

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
8.0.1525.16413
Product Version
8.0.15+50c4cb9fc31c47f03eac865d7bc518af173b74b7
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2025-11-03
First Upload
2025-10-11
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.