I have an HP desktop PC running XP. Last week the printer driver "disappeared" so that I can't print, the internet connection no longer works, my antivirus software no longer appears on the desktop or the programs menu and other very strange behavior. Also, I have limited access to Control Panel. Where do I start to diagnose the problem? I suspect this is a virus but I have no tools to figure this out and I can't get online on the problematic computer. This happened a few days after the installation and playing of a children's internet game entitled "Maple Story." Any connection to this?
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Never before have I heard of a VIRUS installing ANTI-VIRUS software. I have had intermittent mouse problems before though. Thought it was a virus, as I interchanged with like 4 other (used) mouses (mice?) and there was no change. Found a fifth used mouse-a genuine Microsoft mouse (I was running Vista 64bit Home Premium) and installed it and my mouse problem disappeared ("installing new device"). I couldn't figure it out for the longest time, (still can't), I'm just glad it cleared up.
I run AVG FREE antivirus software and Ad-Aware anti-spyware (also FREE). I run both of those at least once a week, in addition to defragmenting once a week, haven't had a problem since.
Make sure you have an up to date Anti-virus and Anti-spyware programs running. You can find many respected freeware at majorgeeks.com. Also make sure you have the latest drivers for you network card and as a last step the lastest revision of your routers firmware. Try these solutions in that order.
First things first: You say that you only have 1 megabyte of ram. I think that you meant to say gigabyte. But if you do only have one mb, then you definitely need to get more ram. Secondly, press control+alt+delete and click the processes tab. Please say the number of processes running and the CPU Usage (they're counted and documented at the bottom left of the task manager window) in your reply. What anti-spyware checks did you run and have you checked your computer with an online scanner like kaspersky? Do you have any anti-virus (McAfee, Norton, AVG) software running? Close any unnecessary processes in the bottom right of your desktop screen on the toolbar (these icons are displayed next to your clock).
Rundll error is observed when computer is attacked by viruses and spyware.I think your computer is infected by virus and spyware.You can remove the viruses and spyware by using good Antivirus software,but if you want to get rid of all errors permenantely, solution is format your pc and reinstall your operating system then install good antivirus.
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Firefox web browser instead of Internet Explorer i HATE IE... Firefox is much faster and safer because it constantly get updates which makes it harder for hackers to attack your PC from it. its too easy to attack Internet Explorer because they rarely update it.
Threatfire to help your current anti-virus program http://www.threatfire.com/
Adaware - removes spyware and adware And run this once every couple of weeks update it and let it scan while you leave the computer for a couple of hours http://www.lavasoft.com/products/ad_aware_free.php
Hope this helps you as much as its all helped me....and its ALL free stuff on the net!
Depending on the situation, It could be you need more ram. If your running Windows Vista, 2-3 years old computers are probably coming with about 512mb-2 gb's or ram. In which case grab at least 3 gb's or ram and you'll be ok. If it's an xp system. grab at least 1gb or ram. Internet delay though could possibly be due to your ISP or perhaps a virus/spyware. There are certain viruses and spyware that slow down internet connection while leaving your pc running fast.