Finally, you may be faced with re-installing Windows. Now, naturally, there may be cases where a specific cause could result in a particular solution.
You can perform what’s called a “repair install” that will preserve your data. In fact, I’m sure that readers will comment with such various approaches (along the lines of “If you have this virus, all you need do is twiddle that setting.”).
There are a couple of different ways that the taskbar can disappear or appear to disappear.
Naturally, the solutions are different as are the workarounds.
In today’s modern Linux distributions, sh and csh remain, and a third option, “bash”, is also present.