the executable and select Run as Administrator to grant it the necessary system permissions.
The core of the fix is renaming the folders where Windows stores update files. This forces Windows to create fresh, new folders.
Click Start → Type cmd → Right-click cmd.exe → Run as Administrator .
The new tool presents three options. For a complete reset on 32-bit Windows 7, select .
regsvr32 /s %systemroot%\system32\wuapi.dll regsvr32 /s %systemroot%\system32\wuaueng.dll regsvr32 /s %systemroot%\system32\wucltux.dll
In this article, we will explore what the does, where to find the newest version compatible with 32-bit systems, and provide a step-by-step guide to completely reset your Windows Update components.
This script is the most reliable way to reset components in 2026, often used in professional maintenance environments to fix broken Windows Update services 1.2.3 .
To make sure all components are registered correctly for 32-bit, run the following command (this is a long command, ensure it is copied entirely):
net start wuauserv net start cryptSvc net start bits net start msiserver Use code with caution. Critical Post-Reset Step: Installing the "New" Update Agent
Type 2 and press .