How to solve bleaching Krusader?

I have found that on my machine, hitting Ctrl+F (toggle full screen terminal) in krusader leads to that same completely white krusader window - and it stays that way until you hit Ctrl+F again.

If it happens again: give that a try.

For one of my PCs, that now uses the Nvidia graphics card, the bleached Krusader starts to operate normally after setting all the the Krusader user settings to defaults.

A good idea is to note everything that has been set. Then run the Krusader Konfigurator and for all items (Panel, General, ...) click the Default button and confirm the action.

(At the other PC I have not seen the bleached state since I have guessed the solution, but I believe that the treatment also helps. By many attempts, I found out that the bug has something to do with settings. The whole problem may be caused by my using old CPUs not certified for Ubuntu.)

For a yet older Pentium III HP Compaq using its integrated graphics only, the treatment helps, too.