"How can I make sure that the new printer will work on a-l-l of those operating systems?" When choosing a printer Visit the printer manufacturer's website. Look in the downloads section to see if there is a Windows XP driver, vista. Or 7 driver. Looks like hp has had some printer driver issues with 7. Here is a link that might be useful: printers

the PC Optimiser Pro is malware and has to be treated as such so using a remover program that will actually take on the job and do a full removal including the hundreds of entries this nasty puts into your registry is essential, using the regular uninstaller will not do the trick. You need to be rid of this thing and it is likely where a lot of your problems are coming from. You have a malware infection. If you want help to run some scans and see what else may be happening in addition to that being installed then I would suggest heading to LandzDown and posting your own thread in this linked area Analysis and Malware Removal you will need to register first, if you need any help let me know I am there also. I think it would be a very good idea seeing the issues are having to go ahead and let the team at LZD help you run some scans to see just what all has installed and what has been affected. This is my best suggestion to you. You will be helped step by step to clean it from your pc. If you want to try using revo and hope it clears it fully here is that link Download Revo Uninstaller Freeware When was the last time you ran a fully updated malwarebytes scan on this pc?

Hi, Ensure that the cables are properly connected; you need to ensure that your printer is properly connected, and plugged in, and also the cable is accurately connected to the computer as well. Check the power; make sure that the printer�s power is switched on, ensure that all the computer necessary computer components are also turned on. Make sure that the hardware is properly plugged in, and also turned on. Apply troubleshooting. A troubleshooter is a tool, which is generated automatically and which can easily fix the problems that occur with your system. Thus, if you are coming across different issues related to your printer, then you can consult the troubleshooter. You require driver applications to run your hardware devices. Make sure that the drivers are not outdated, corrupt, or incompatible, resulting in disrupting the communication between the printer and the computer. Always make sure that you are making use of the most recent and latest device drivers, and also that are compatible with your system requirements and specifications, as this can be extremely useful in resolving printer issues.

Sorry I didn't mention what I have running. I have WindowsXP. I have Norton Internet Security. I ran Malwarebytes (a full scan). Anyway, I thought if I did a system restore I could install my printer. This is the second new printer I have tried to install. It just continually loops and doesn't install. I removed any printer that had been installed on my computer. Here is the result of my scan:Malwarebytes' Anti-Malware 1.40 Database version: 2670 Windows 5.1.2600 Service Pack 3 8/29/2009 4:06:04 AM mbam-log-2009-08-29 (04-06-04).txt Scan type: Full Scan (C:\:) Objects scanned: 275483 Time elapsed: 1 hour(s), 57 minute(s), 9 second(s) Memory Processes Infected: 0 Memory Modules Infected: 1 Registry Keys Infected: 4 Registry Values Infected: 1 Registry Data Items Infected: 0 Folders Infected: 0 Files Infected: 1 Memory Processes Infected: (No malicious items detected) Memory Modules Infected: C:\Program Files\alot\bin\alot.dll (Adware.BHO) -> Delete on reboot. Registry Keys Infected: HKEY_CLASSES_ROOT\CLSID\"5aa2ba46-9913-4dc7-9620-69ab0fa17ae7> (Adware.BHO) -> Quarantined and deleted successfully. HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\"5aa2ba46-9913-4dc7-9620-69ab0fa17ae7> (Adware.BHO) -> Quarantined and deleted successfully. HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\"5aa2ba46-9913-4dc7-9620-69ab0fa17ae7> (Adware.BHO) -> Quarantined and deleted successfully. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\"5aa2ba46-9913-4dc7-9620-69ab0fa17ae7> (Adware.BHO) -> Quarantined and deleted successfully. Registry Values Infected: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\"5aa2ba46-9913-4dc7-9620-69ab0fa17ae7> (Adware.BHO) -> Quarantined and deleted successfully. Registry Data Items Infected: (No malicious items detected) Folders Infected: (No malicious items detected) Files Infected: C:\Program Files\alot\bin\alot.dll (Adware.BHO) -> Delete on reboot. I am so computer challenged. Is this what I needed to do? What do I do next? Thank you for any help you can give me.