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1. 100% free antivirus update#
2. 100% free antivirus full#
3. 100% free antivirus pro#
4. 100% free antivirus software#

100% free antivirus update#

On the Update screen, my Virus definitions are set to 'Automatic update', and 'Enable streaming updates' is checked.Įven with these changes I was still having problems: sometimes AvastUI.svc would remain at ~ 100% for an hour or so, before I would do a hard reset on my computer.

Load Avast services only after loading other system services is NOT selected.Ĥ. Program update settings is "Manual update', which I assume overrides the 'Auto-update every xx minutes shown lower on the page. The icon never moves while this problem occurs.īelow are what appear to be the key settings that might have some affect:ġ.

100% free antivirus software#

My software is Windows XP Professional, Version 2002, Service Pack 3.Īfter you replied, in the general section of the Avast settings, I added 'animate the icon when scanning'. Here is the information on my processor hardware: My XP computer was custom built years ago by a local shop. I did have it set to automatically update for Virus definitions. When I first contacted you, I did NOT have Avast set to automatically check for updates, nor to do a scan. I would send it to you if you could read it. I created a backup file, but I can't read it with any program I have. It has been so long I have no idea how close my settings are to the default.

You asked if I used the Avast default settings. Avast's CPU usage remained at 99% for about 7 or 8 minutes, then dropped to essentially zero. Then AvastUI.exe and AvastUI.svc began to consume CPU usage, and they quickly reached 99%. As I noted, for the first 4 to 6 minutes or so, the System is idle about 99% of the time while various Windows files and the programs in my startup directory are loaded. The problem with Avast is when I boot my XP computer. I did that only to see if I might have some malware on the computer. I probably confused the issue when I added the Malwarebytes scans. I have been booting my XP every day, recording CPU times for various files, sometimes making changes, then shutting down and rebooting the next day. If anyone had come across this problem, and has any suggestions, they would be much appreciated. This high CPU consumption issue never existed with Microsoft Security Essentials. So my question is: What is Avast doing that consumes so much CPU time for 8 minutes? I have looked at all my Avast user settings, and I can't find anything that might be causing the problem, although I do have virus definitions and the program set for automatic updates (every 240 minutes).

Now any of the installed programs can be opened and run just fine. One just gets a white screen.Īfter the 8 minutes, the usage of those two Avast files drops to 0%, and the System Idle Process goes back to 99%. During this time, it is impossible to open any other programs. At that point AvastUI.exe (and to a much lesser extent AvastSVC.exe) take over, and within 10-15 seconds these two combined Avast files consume 98%-99% of the CPU time. For the 1st 4 or so minutes, the System Idle Process 'uses' about 99% of the CPU. They had no effect on my problem.įor the last few days, as soon as I boot the XP, I open Windows Task Manager, and follow the CPU% and CPU Time for the. All were leftover plug-ins for programs uninstalled years ago.

100% free antivirus full#

So yesterday I ran a Full Scan on the C:, D:, and E: drives that are on the XP ). A few days ago I ran a normal Scan on Malwarebytes. A few weeks ago, I uninstalled the program (which also was version ) and reinstalled it. I have always had a problem with Avast consuming large amounts of CPU time, but it seems to have gotten worse in the last year or so. I currently have version, which from reading posts on this thread, I believe to be the last version that Avast released for the XP. Several years ago, when Microsoft Security Essentials stopped supporting the XP, I moved to Avast Free Antivirus.

100% free antivirus pro#

I have a Windows XP Pro SP3 computer that I use primarily for a few DOS programs, and some Microsoft programs that I never installed on my Windows 7 Pro SP1 computer.