Look for a folder named Extensions or search for a file named WinAutomationChromeExtension.crx .
The desktop software communicates with Chrome using native messaging. If the connection fails, reinstalling the desktop application usually repairs the broken registry keys automatically. Key Features of Web Automation
If you use multiple Google profiles, ensure the extension is installed and active on the exact profile WinAutomation is opening. Extension Disappears After Closing Chrome
Enable "Allow in Incognito" in the extension settings for clean-session testing.