[Gimp-user] Problem with windws and tools disappearing

[Just-Bob <forums gimpusers com>]

I've used Gimp 2.4.2 for years now, and haven't upgraded because it works fine.
Today for some unknown reason, when I open a file in Gimp and click
Colors>Brightness/Contrast, the window for the Contrast/Brightness tool shows on
the bottom taskbar of my computer, but I cannot access it. It's as if it's
minimized and I cannot undo that. I tried uninstalling and reinstalling Gimp,
but it seems to be keeping settings and/or files on my computer because even
after uninstalling it, rebooting and reinstalling it, the work history still
shows up and the problem is still there.

I even tried uninstalling Gimp and upgrading to the latest version
(2.8.whatever) and now the problem is happening with the Hue/Contrast tool. It
simply does not open. On the main menu it will show the Hue/Contrast dialogue
box, but it says something about "Tool has no options". I can't even find what
that says now, because when I re-open Gimp, I do not get the main menu that used
to pop up. Only a window to open a new file.

Is Gimp string some sort of corrupted files on my computer? How do I fix this?

-- 
Just-Bob (via www.gimpusers.com/forums)