I did not install Fedora, I had enough of dual-boot installation when an update went completely wrong on me and prevented us having any PC at all for a fairly long while. so I have stuck with the live disk idea assuming that it would not create many problems, haha!
Not fully understanding how Linux actually works it seemed to me that the "Login" process of Fedora may make a change to the boot process. So I searched the internet and found the comment I stated about editing the registry. I did not mention that in fact another entry did say something about changing the BIOS. Here it is.
This behavior may occur if Windows stops responding during a typical operation or during the shutdown process. By default, the computer is configured to automatically restart when Windows stops responding. To view this setting, follow these steps:
1.Click the Start button, right-click My Computer, click Properties, click the Advanced tab, and then click Settings under Startup and Recovery.
2.Under System Failure, view the Automatically restart check box. If the Automatically restart check box is selected, Windows automatically restarts if the computer stops unexpectedly.
The real problem for me is that at my age I am unable to follow all the full technical ins/outs of how Linux systems actually work at the nuts/bolts S/W level. How the Linux Fedora process actually interfaces with the PC BIOS on-off process will probably always be a mystery to me. I have, however used live disk installations for the past 2-3 years , mainly Ubuntu, and have had no troubles at all, this is the first. In some ways I just want to use them, not re-design them. When It gets me into bother with my good lady though that is a different matter altogether.The lack of a shutdown button seems illogical to an old-stager like me. Many thanks for your time and much needed help.