Member Avatar for mikechav

I have kaspersky internet security 2011 for my desktop and wanted to install it on my netbook but im worried its too big of a program and will slow it down.What security software offers a good protection but does not slow down the netbook?

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A quick reality-check and practical follow-up to the replies above: asked whether Kaspersky Internet Security 2011 would slow a netbook, and contributors split between lightweight free AVs and full suites ( and for Microsoft Security Essentials, for Avast, for Avira, pointing to independent tests). Those are reasonable options — the missing piece here is OS and workload context, and concrete tuning steps for low-RAM/low-CPU machines.

If the netbook runs Windows 8, 10 or 11 you already have built-in protection (Windows Security / Microsoft Defender) that is kept up to date through Windows Update and is designed to be the low-impact baseline for modern Windows. Microsoft Security Essentials was the lightweight choice for Windows 7, but MSE is tied to Windows 7 lifecycle (Windows 7 reached end of support in January 2020) so relying on that product on an unsupported OS is risky. (support.microsoft.com)

Practical netbook guidance (what most posters did not spell out): prefer an antivirus-only product (not a full “internet security” suite) on machines with 1–2 GB RAM; disable nonessential modules (email gateways, heavy web-filtering, antispam) if you must save resources; schedule full scans for off-hours; and test any candidate by running a 7–14 day trial while watching Task Manager / Resource Monitor to confirm real-time CPU, RAM and disk impact. Independent labs now rate built-in Defender competitively, so trying the built-in option first is reasonable — and do not run two real-time AV engines at once (that causes conflicts and big slowdowns). (av-test.org)

Quick checklist to apply now:

  • Confirm Windows version; use built-in Defender on Win8/10/11 when possible.
  • Try an “antivirus-only” edition or vendor trial and measure with Task Manager.
  • Schedule weekly full scans at night; enable cloud-delivered protection if available.
  • Keep OS, browser and flash/java plugins updated; use an on-demand second-opinion scanner (occasionally) rather than two real-time engines.

These steps let you keep good protection without turning a netbook into a crawl — if Kaspersky feels heavy, test an antivirus-only package or the built-in Defender first and compare.

Recommended Answers

All 11 Replies

Member Avatar for clairienz

Well if you want a light-weight AV, I would highly recommend Microsoft Security Essentials, it is really light, and above all, very effective, I have it on my laptop, and have not been infected once, and best of all it's free. Another one could be AVG, it is light and effective, but you'd have to pay to get the best features. Honestly, I would recommend using MSE, just go to the Microsoft website.

SNIP

Edited by happygeek because: spam deleted
commented: thank you clairienz +0
commented: spam -3
Member Avatar for mikechav

Well if you want a light-weight AV, I would highly recommend Microsoft Security Essentials, it is really light, and above all, very effective, I have it on my laptop, and have not been infected once, and best of all it's free. Another one could be AVG, it is light and effective, but you'd have to pay to get the best features. Honestly, I would recommend using MSE, just go to the Microsoft website.

Here for more updates:
http://www.techyv.com/questions/need-help-choosing-anti-virus

Yeah MSE also is one of the best ive known.

Member Avatar for CimmerianX

If you ask 5 people, you'll probably get 5 answers.

I use Avast on my laptop. Its free and works well for me. That's my 2 cents.

Member Avatar for caperjack

over the years i have used them all. have been using MSE for quite some time now with out any real infection ,using it in our house on 3 laptop ,and i do all the computer repair /building of family computer and put it on them also .it may not be the best ,but it works for us. it been said it going to be built into win8 when it comes out

Edited by caperjack because: n/a
Member Avatar for amit.negi

microsoft security essentials

Member Avatar for nicolasmith501

you will use USB anti virus for notebook

Member Avatar for duke.tim

When I look for an antivirus generally I take a look at av-comparatives. This is what is listed as having the best performance: (dec 2011)

ESET
K7
Avast
Symantec
F-Secure
AVIRA
Kaspersky
AVG
Microsoft
Sophos
Panda
Webroot

Here is the link, worth checking out for more detailed info.

I'd recommend based on experience for free anti-viruses Avast or Avira, Microsoft is pretty good too.

Member Avatar for caperjack

nasties in there definitions database, is more important than speed

Edited by caperjack because: n/a
Member Avatar for joeyburse10

I have kaspersky internet security 2011 for my desktop and wanted to install it on my netbook but im worried its too big of a program and will slow it down.What security software offers a good protection but does not slow down the netbook?

I use Avira for my notebook and it works best for me. Maybe you might also try it out.

Edited by joeyburse10 because: n/a
Member Avatar for RTFMID10T

its all in who you ask but microsoft security essentials has worked the best i've seen in 10 years. Granted it does has its flaws too i've seen, but best prescan ability at defending.

Edited by RTFMID10T because: n/a
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