Many thanks hazelnut,
my computer appears to me to run perfectly (at least for now, some five days after the cleansing, I did not perceived any problem at all, of course except the erased data).
Yes, my jpeg files were in my documents/my pictures.
ehm, I am a beginner: what is an issues scan? and how to do it?
About saved as .temp files, I run the function "search" of WindowsXP, for files with .temp in the name (in C:\): it gave me back 5 files, no one .temp (.template, .templdir).