![]() For instance, some antiviruses’ full disk scans can slow down your device, and some web shields and VPNs can affect your browsing speeds, but usually system slowdown is due to other factors (like malware, junk files, outdated software, or just too many programs running on your device). Usually, there are logical causes behind slowdown, which may or may not be linked to your antivirus software. It’s worth noting that antivirus programs are not one-size-fits-all - one antivirus may run well on one person’s computer, but it might not necessarily work as well on another.įor example, McAfee ran perfectly on my Windows 10 PC, but it significantly slowed down my friend’s PC. Most antivirus programs include a range of features to mitigate system slowdowns, but it does still happen sometimes. ![]() Risk-Free for 30 Days - Try Bitdefender Now Will Antivirus Software Slow Down Your Computer? However, there are also many other reasons why your device might not be performing as fast as it once did - out-of-date software, hardware limitations, background applications, bloatware, malware, and a range of other issues can all affect your device’s performance.īelow is a comprehensive guide on the different reasons a device may slow down, what to look out for, and what you can do to improve performance. I also offer my top picks for the most lightweight antivirus solutions in 2023 that can provide excellent malware protection without slowing down your devices. There are some instances where you might see slowdown from your antivirus, particularly during full disk scans. The best antivirus programs in 2023 shouldn’t noticeably slow down any of your devices - whether it’s on a PC, Mac, Android, iPhone, or iPad.Īntivirus programs used to have a bad reputation for slowing down computers, but modern antivirus solutions (such as Bitdefender) include a variety of tools and features that are designed to help avoid slowdowns, such as cloud-based anti-malware engines and system optimization tools. Get Bitdefender today for only UAH740 / year.□ Bitdefender: One of the fastest and most lightweight antivirus solutions on the market that also boasts a high malware-detection rate and comes with a ton of additional features.Panda Antivirus Pro is definitely worth considering based on the strength of its malware detection and removal performance, but keep its speed issues in mind before you decide to buy it.Short on time? Here is the best lightweight antivirus in 2023: Our test system booted up in 53.7 seconds with Panda installed–the slowest of the products tested (our test PC booted in 40.1 seconds with no antivirus software installed). The on-access scans–that run when files are opened or saved to disk–were also abysmal: It scanned 4.5GB of files in 7 minutes, 6 seconds–more than twice the fastest performer.Īlthough its overall impact on PC performance was moderate, Panda Antivirus Pro dragged down some operations significantly. ![]() It completed the manual “on-demand” scan of 4.5GB of files in 4 minutes, 22 minutes, a far cry from the 90 seconds that the top performer put up. ![]() ![]() The program had some of the slowest scan speeds out of all the antivirus products we tested. Antivirus Pro did have a little more of a problem with false positives than some of the other products we looked at its six false positives tied for the most among paid antivirus software that we tested, though as a percentage, it was still quite low. ![]()
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