I Can’t Uninstall Photosmart Essentials – HP Uninstall Help

on August 23rd, 2011 | 1 Comment
After added a HP photosmart 7260 photo printer to my PC which already had a hp psc 2410xi photosmart all-in-one printer, scanner, copier and faxer installed, Now I can’t scan anything with the scanner all-in-one. I get an error message saying, “An unexpected internal error 20 has occured. Click OK to close program and then try one of the following. Restart the page, Restart PC, Reinstall the photo and Imaging software and try again.” Other than that, every time I try to uninstall HP photosmart, a message comes up telling me about i >>> Read More

How Do You Uninstall hp psc 750?

Posted by admin in Blog Uninstall HP software
on July 10th, 2008 | 2 Comments
I have had a PSC 750 previously and am currently using the PSC 2210 as well. Both drivers were installed onto my laptop. I want to uninstall my PSC 750 but it seems uninstall is not available. It keeps looking for hpocon09.exe. But when I do manage to find it, it says “Error occurred validating the command line”. Reinstallation of the PSC 750 drivers failed as it’s detected an installation already. What’s more, uninstall my PSC 2210 didn’t help with uninstall of the PSC 750 either. There are no uninstalling programs ava >>> Read More