Can't get HP printer software_drivers to uninstall / reinstall correctly -period

Mar 18, 2013
Starting new topic - we're on a new chapter now.
After doing my best to uninstall all HP printer software, drivers (based on yrs of accumulated tech support data, KBs, forum posts, experience), the latest d/l of their full package will NOT install correctly.
Actually, it installs very little at all, then says it's completed. However, nothing's installed. After 1st going thru "standard" uninstall methods, then suggested "advanced" methods (which actually solved installation issues in the past), the setup still thinks much of the software or drivers are installed. So, it doesn't install / overwrite what it thinks already exists.

The last time I ran the installer, it didn't even show the option of "recommended" or "custom" installation. Just "install," though rest of the screen looked same as before. It finished in < 1 min. & nothing shows as installed; no errors. Installer won't run in Safe Mode w/ networking. Needs things that Vista can't load in Safe Mode. There are tons of HP logs scattered over C:\. There were some install or setup logs, but not found one that showed actual installation errors for this printer. Don't know if any of the logs I found were "the" main install log.

I'm fairly sure it's showing things already installed because of some registry entries (Vista hm prem x64), that should've been deleted. I also ran Revo Uninstaller after finished w/ HPs uninstallers. It found a few things - most not associated w/ files, drivers or software that I'm having issues reinstalling. I didn't run RevoUninstaller "advanced" registry search.

I kept HP tech support email about some manual steps deleting certain HP registry entries. Obviously, when the setup prgm starts & shows several things "already installed," when they don't exist, it's likely getting info from the registry. I've seen this for other mfg's software / drivers, also.

Unfortunately, I don't know of an HP "cleanup utility," like some software has. Their L-1, 2, 3, 4 .bat uninstallers don't seem to be doing the trick. I used L3. (I believe "L-4" is the "nuke everything" & I've read some "gurus" say it may damage your machine / registry). No HP support tech ever suggested using L-4 (but did L-3).

I know my way around the registry & have never screwed anything up - though I back it up. I find MANY HP entries left after uninstalling. Most wouldn't bother anything. My guess is a few show stuff is still installed (basically, the uninstall prgms failed & can't successfully reinstall, even if just wanted to immediately uninstall).

Found a registry key for "Installed products" (HP) w/ ~ 10 . Don't know if that's the one big problem. In Registrar Registry Monitor, there are ~ 51,000 results for "HP." Many are for key files that were (now uninstalled) in the printer program files folder. Still, only a few registry entries (that should have been deleted) would stop the installer from reinstalling all files, drivers, etc.

Yes, I know I can install drivers for the printer(s) - even ones from HP's latest basic or full installer (inf file isn't that hard to find). But, I won't (don't think) I'll be able to set ink volume usage, create custom print settings shortcuts w/o using some of their software. Maybe I'm wrong, but my instinct says no. I probably COULD get other scanning software.

Any suggestions on getting the "problem" HP reg keys to uninstall, so it'll install correctly? I seriously considered restoring an Acronis system image - but most recent I have is several mos ago (my bad). EVEN then, the HP uninstaller / installer would STILL have to work correctly or I'd be in same boat.

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