Thanks a lot, it works!!

Thank you for your reply, but the "Add open with Notepad to content menu" method dose not help.
I may not make myself clear. Please refer to the attached sreenshot56927
"open with notepad" is...

Asus laptop with WINDOWS 10

When double clicking a .reg file the default action is merge by running the regedit.exe. On the right-click content menu I have Merge (in bold), edit and print, select...