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Should I delete the entire HKLM/software/hewlett-packard key?

On a HP Pavilion a340n with Xp home sp2, I'm tring to install software for
HP Photosmart C6180 all-in-one

I get this error:

error 1606.could not access network location 0,0,Software\Hewlett-Packard
Please go to http://www.hp.com/support and search for “fatal error” and “msi.hpsoftwareupdate”

I tried several fixes from HP.com which said to modify several registry keys (e.g. going to
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurentVersion\Explorer\User Shell Folders
and modifying "My Pictures" to "%USERPROFILE%\My Documents\My Pictures". But these keys didin't exist, so I had to create them -- but it didn't work.

I also tried the tool listed at HP called: "Resolves "Access is denied" error during software installation". BUt it didn't work.

Finally I found this
Error 1606 Could not access network location 0,0 <REGISTRY PATH>
Delete the key (registry path) listed in the error from the Windows Registry, and run the installation again.

But in this case, they're talking about
HKLM – Software – Hewlett Packard
HKLU – Software – Hewlett Packard

and the first key has tons of keys under it. This is an HP computer. Should I try deleting the HP whole key? (I backed up the registry with erunt, but have never actually restored with erunt before...)
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1 Solution
create a system restore point (it's easy to restore even from a dos prompt), check in both hklm & hkcu & only delete the keys related to the printer/scanner/fax
dgrrrAuthor Commented:
Hmmm... Not obvious how to identify them... Atho most seem to be under: "DigitalImaging",
first, make sure it is deleted properly
second, backup then entire registry using system restore, or by manually exporting both HP keys under HKCU & HKLM
third, if you don't see any subkeys under HP that reference HP utilities for you pc & not your printer, then i would think you can delete the entire key - but back it up first.


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dgrrrAuthor Commented:
OK, going back there now.  First will uninstall all hp printers (there were some old ones I think), and then use the HP remover/cleaner, then try again.

Then may try the registry backup  fix.

Will let yo uknow.

FMI - can you use system restore points from outside windows - e.g from the recovery console? I know how to swap / copy registry files inside the console, but dunno about restore points.
yes from safe mode command prompt you'd enter:
dgrrrAuthor Commented:
OK guys, tried it all, nothing worked. To save him money & time we returned the hp and got a canon, which he likes.

But thanks for the info anyway, all of it will come in handy sometime.
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