reg add HKCU\Software\Classes\CLSID\{86CA1AA0-34AA-4E8B-A509-50C905BAE2A2}\InprocServer32 /f /ve /d "" You may need administrative privileges if the key exists under HKLM instead of HKCU . For HKLM , change HKCU to HKLM and run as Administrator. Step 4: Verify and Test Query the key to confirm the default value is empty:
Below is a comprehensive, long-form article explaining what this command does, why it is used, the security implications, and step-by-step instructions. Introduction The Windows Registry is a hierarchical database that stores low-level settings for the operating system and for applications that opt to use it. Among its most cryptic yet powerful components are CLSIDs (Class Identifiers). These globally unique identifiers (GUIDs) are used to register COM (Component Object Model) objects. Introduction The Windows Registry is a hierarchical database
reg query HKCR\CLSID\{86CA1AA0-34AA-4E8B-A509-50C905BAE2A2} Look for a subkey named (Default) —it often contains the human-readable name of the component. Always backup before making changes. Run: why it is used