Mswinsck.ocx [hot] Jun 2026

Modern Windows versions (Vista, 7, 8, 10, 11) utilize User Account Control (UAC). Registering OCX files requires elevated Administrator privileges. Running regsvr32 without admin rights will result in a failure.

Before registering, you must ensure the file exists on your system. : On 64-bit Windows : Check C:\Windows\SysWOW64\ . On 32-bit Windows : Check C:\Windows\System32\ .

The file is a Microsoft ActiveX control used by older applications (typically built with Visual Basic 6.0) to handle network socket connections. Most modern Windows errors related to this file, such as "Run-time error '339': Component 'MSWINSCK.OCX' or one of its dependencies not correctly registered," occur because the file is missing, corrupted, or not properly registered in the Windows registry. 1. Locate or Download the File mswinsck.ocx

In the late 1990s and early 2000s, mswinsck.ocx was arguably the most popular method for creating networked Windows applications. It was instrumental in the creation of:

Type the following command for 64-bit systems: regsvr32 c:\windows\syswow64\mswinsck.ocx Modern Windows versions (Vista, 7, 8, 10, 11)

How do I register MSWINSCK.OCX file on Windows 8? - Microsoft Learn

regsvr32 mswinsck.ocx

mswinsck.ocx is an ActiveX control file (OCX stands for Object Linking and Embedding Control Extension) developed by Microsoft. It serves as the , providing developers with a simplified interface to access the Windows Sockets (Winsock) networking API.