Spotify and some other recently installed SW has been removed, temporarely, before I got your replies.
@linuxmint7
Thanks fine, I found the event viewer and will go thru the errors and warnings listed there.
btw. My thread started June 26th.
@blackbird71
Thanks for the detailed instruction. This will hopefully help me to finding the reason for Operas bad behavior. I will not forget to post you my results ( even if there are none)
c.u.
Andreas