Do you use notepad very frequently to open all types of text files? This quick tweak will add "Open with Notepad" to all of your file context menus. Whenever you right click on a file, you will have the option to open it in Notepad.
Copy and paste the code below into Notepad. Then save it as a .reg file and import it by clicking on it.
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\*\shell\Open with Notepad]
@=""
[HKEY_CLASSES_ROOT\*\shell\Open with Notepad\command]
@="notepad.exe %1"
[HKEY_CLASSES_ROOT\*\shell\Open with Notepad]
@=""
[HKEY_CLASSES_ROOT\*\shell\Open with Notepad\command]
@="notepad.exe %1"