「ペイント3Dで編集する」を消す
※以下コマンドをコマンドプロンプトで実行する
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.bmp\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.png\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.jpeg\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.jpg\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.jpe\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.3mf\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.fbx\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.gif\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.tif\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.tiff\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.jfif\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.glb\Shell\3D Edit" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.obj\Shell\3D Edit" /f
「3D Print」を消す
※以下コマンドをコマンドプロンプトで実行する
reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.obj\Shell\3D Print" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.3mf\Shell\3D Print" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.bmp\Shell\3D Print" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.jpg\Shell\3D Print" /f reg delete "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.png\Shell\3D Print" /f
参考
How to remove the "3D print with 3D Builder" context menu entry in Windows 10? - Super User
