Disable Particular IE add-on via registry

Step 1:
Get the Class ID from IE > Tools  > Manage  Add-ons

Step 2:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{47833539-D0C5-4125-9FA8-0819E2EAAC93}]
“Flags”=dword:00000001

Note: 0 is for enable and 1 is for disable.