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

System.IO.Compression.FileSystem.dll

SHA256: 019540ed97c742b0ce4dbcbb4cccec18cf2c556ec2928a45950eb282bdd924c1

SHA1: f46511329aa5b9d131dd8fac4988beaf1d9f8c58

MD5: 649fa1ae2d6026bc50e1853cec8f902c

Metadata

Integrity Check
Passed
Metadata
Complete
Company
Microsoft Corporation
Product
Microsoft® .NET Framework
Description
System.IO.Compression.FileSystem.dll
Build Note
System.IO.Compression.FileSystem.dll
Copyright
© Microsoft Corporation. All rights reserved.
Architecture
x86 (32 bit)
Version
4.6.1590.0
Product Version
4.6.1590.0
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2025-12-25
First Upload
2022-11-07
Uncompressed Size
32.3KB
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.