How does Win8 system cancel the file open mode association?

File open mode association means that when you open a type of file with a program, the system defaults to open all files of this type. Sometimes the program you selected for the first time is wrong, you need to cancel the file open mode association to modify the default open mode of the file. So how does Win8 system cancel the file open mode association?

as follows:

1, found HKEY_CLASSES_ROOT \\ .jsp, the default value of string data is deleted jsp_auto_file;

2, found HKEY_CLASSES_ROOT \\ jsp_auto_file, delete jsp_auto_file The entire folder;

3, find HKEY_CURRENT_USER\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.jsp, only retain the OpenWithList item, the rest are deleted, OpenWithList only retains the default value, and the rest are also deleted;

4, restart Win8 system computer;

The above is the Win8 system to cancel the file open method associated with the method, of course, you can also choose not to cancel the file association to modify the default open mode, as long as the right-click program Icon, select the program you want to use to open the file.