Hey, got some good news...
today i started SuperAntiSpyware scan and it found 41 instances of "Security.hijack(Image file execution options)" in the registry;
it was blocking Nero, Ps, Canon scan, and Superantispyware.

The not-so-good news: got rid of the little pests and now the programs work ok,
except for Ps.
so i'll reinstall it tomorrow and see.
if it still does not work right, then i'll do a clean install for everything.