I have installed Zoiper 3.2 under Windows XP Pro x86 SP3 with all of the critical, security and regular updates as of April 9 2014.
Also the videocard has the latest WHQL drivers.
Unfortunately now most of the background of the software, i.e. the skin is transparent: there is not a black, solid background but I can click what's behind the main windows (icons, other software..).
Even the Preferences shows a partial toolbar with lack of solid background.
Here is a screenshot:
So all in all the main GUI is screwed.
I have already uninstalled and reinstalled the software.
Any idea, please? Thank you.