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Free
DLL Vault

system.io.compression.dll

x86 .NET Framework
Verified
RECOMMENDED FIX

Install .NET Framework

This DLL is part of the Microsoft .NET Framework. Installing the official package is the correct way to fix this error.

Download 64-bit Installer Download 32-bit Installer

Official installer from Microsoft.com

Why You Shouldn't Just Download the DLL

  • DLLs depend on other DLLs - copying one file won't fix the chain
  • Runtime packages register components in Windows correctly
  • Version mismatches can cause more problems
  • The official installer handles all of this automatically

Compatibility

Windows 10/11 Windows 11 Windows 10 Windows 8.1 Windows 8 Windows 7

File Details

Name
system.io.compression.dll
Size
62.48 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
.NET Framework

Hash Verification

922dc347df975858e078f260d66dcd9854e48bc5bb843b59e92f44fc95969be8
046bc308df5f94e10e08d7dd72a4b496

Best Solution

Install the official package

.NET Framework (64-bit) 32-bit Version
ADVANCED

Manual DLL Download

Only if installer doesn't work

This is a last resort. Try the official installer first.
Download ZIP

62.48 KB | x86

4,121 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/SysWOW64/
  3. 3 If needed: regsvr32 system.io.compression.dll

Official Microsoft source

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SHA-256 verified