Safe
Free

system.addin.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.

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.addin.dll
Size
159.98 KB
Version
10.0.20348
Architecture
x86
Source
Windows system
Part of
.NET Framework

Hash Verification

86d57e9971a5d83273a57d6700444a885706b3aefc8f8bc74c8ac82b6ab398ae
8e390d9cb891d4bdb5a664ffb88a5680

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

159.98 KB | x86

1,288 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified