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

System.IO.Compression.FileSystem.dll

SHA256: aa87020c837176940637a4c672b2f2b33fd2517506fa12cae1f655ff1e515cc6

SHA1: 4875afbac9bb4b5d33078577703bbc6567a7b5a7

MD5: 869028dd08c000a260f238d458799693

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
10.0.1126.37416
Product Version
10.0.11+e2f47b0110ed922f21a1522da67279133ce28f32
Backwards Friendly
4.0 (Windows 95)

Security Scan

Last Validated
2026-08-20
First Upload
2026-08-18
Uncompressed Size
14.8KB
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.