Thanks for the suggestions. I think I've solved the problem. I removed all the suspect programs with Revo; then I ran Malware Bytes; then cleaned up the browsers by resetting them all to defaults, away from the Conduit search; then ran HitMan Pro.
The only residual thing (minor) is that a TomTom browser page keeps coming up at each restart. It's not in the Startup files; not sure where to look to keep it from coming up.
look to the registry...
Start > regedit > enter
Click Computer on top left.
Press CtrlF to Search
Search for TomTom and delete any unnecessary keys.
F3 to continue Searching.
Backup registry first.
Rodger Reedy
ASKER
The computer is clean and running smoothly. Thanks for the help.