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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: c403dd126d5a1ea54fc308edee67f28948822efc9008cfc5647308ef42cf0078

SHA1: 7ce9de165fc3d14b8d808ccba8eb4b49a4ebe766

MD5: 6eb49e496b8ddb6963e2b7721070c596

Metadata

Integrity Check
Passed
Metadata
Complete
Company
Microsoft Corporation
Product
Microsoft® .NET Framework
Description
N/A
Build Note
N/A
Copyright
N/A
Architecture
x86 (32 bit)
Version
4.6.25519.3
Product Version
4.6.25519.3
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2025-09-23
First Upload
2025-09-23
Uncompressed Size
11.6KB
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.