I'm not sure the browsing history will be restored? If System Restore does not work, you can reverse the process to where you are now.
HijackThis produces an extremely long and complicated log. Another section of this Hope site would most likely need to interpret the hijackthis log.
Hijackthis is a sledge hammer and all you need is regular hammer.
p.s. I doubt that Hijackthis can restore the web browsing history. More likely web browsing history can be restored with System restore. Or a backup disk if you have one?
A: "browsing history" is by it's very definition a set of data files.
the only data files saved/restored by system restore are the registry.
And to call a hijackthis log "long and complicated" is to profess your own ignorance about it rather then a provide a subjective analysis.
The original issue is that a dialog box appears saying "not installed".
Where does one suspect this dialog comes from? Those familar know that a hijackthis log will almost certainly ascertain the source of this messagebox (likely being a Startup entry).
a System restore would have to go back to
before the program was installed at all, which would likely encompass other software installations/patches that had been installed in the meantime.
overkill is doing more then is necessary- I would class removing months worth of patches/applications simply because of a single remaining file and registry entry from an unwanted application fall in that category.