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

System.IO.Compression.dll

SHA256: 54b6330c819b7a68576152f9402742a327190db4f39fde86139b90edd82a0aca

SHA1: 12afd69137604e3faf4cb620db4d890df3ab94c2

MD5: eedfb8970b8d4214fb15361acc40b8a9

Metadata

Integrity Check
Passed
Metadata
Complete
Company
Microsoft Corporation
Product
Microsoft® .NET Framework
Description
System.IO.Compression.dll
Build Note
System.IO.Compression.dll
Copyright
N/A
Architecture
x86 (32 bit)
Version
4.0.30319.18408
Product Version
4.0.30319.18408
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2025-12-25
First Upload
2022-11-29
Uncompressed Size
61.1KB
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.