Dear all,
every time my kde launches it tries to restore my previous session, meaning opening the files I had open.

I have to admit that I like this feature but I would like to ask you

1)if is possible to configure it slightly (it does not look to work correctly for all application)
2) also everytime now, kde starts, unfortunately tries to open with okular some pdf documents I had (files that were opened through web browser), that are on /tmp/ folder and no longer exist. I would like to know how I can clear this to happen.
I do not want to clear up everything, just to see what is causing okular to search for these files and clear only this part, that would mean that in future I want again okular to open up previous opened files.

I would like to thank you in advance for your reply