Win10 how to cancel "you have installed a new application that can open such files" prompt

                Open a file in Win10, usually open with the default program, instead of choosing to open it in some way, which is convenient for users to operate quickly. However, if a new program that can open a file is installed on the system, when the file is opened, the system will pop up "You have installed a new application that can open such a file". Clicking on the prompt will display the "How do you open this kind of file from now on" dialog box, you can change the default application to open this type of file. As shown in the figure: If you feel that this prompt is useless at all, instead of harassing people, you can cancel this prompt by following the method below. Open the Registry Editor and navigate to HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\Windows\\Explorer. Note: It is recommended to back up the registry before modification (How to back up the registry with Win10) and then create a new DWORD named NoNewAppAlert in the right window (32-bit) ) value, the value data is set to 1. Close the Registry Editor and log out or restart the system to take effect. In the future, if you want to restore the default settings, just change the value data of NoNewAppAlert to 0, or delete the value directly. If I want to view photos on the Win10 system, the system will open with the default program instead of selecting the photo app or photo viewer. If a new program that can open photos is installed on the system, if the system always prompts “You have installed a new application that can open such files”, then it is best to modify the registry according to the method in this article to cancel the prompt, otherwise it will be Prompt harassment is obviously a waste of time and effort.