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Validated Hashes 1,838,869
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System.IO.Compression.dll

SHA256: 6dc0af186b5c5691e2a44b9dfe4c367f4208c497e047e62f7d800d22be3a1f42

SHA1: 1d448e28a03e75729a8572d12cd9a22848ac459c

MD5: 7a50ec4bf09d02eb3804c1fa93ed38b5

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
4.0.30319.18402
Product Version
4.0.30319.18402
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2025-12-20
First Upload
2022-11-29
Uncompressed Size
29.1KB
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.