if you are considering ESET, try it. ESET is good and is light on system resources take a chance with it.
Praise
Software
ESET Internet Security
Best Lightweight Antivirus
ESET Internet Security gives Canadian users access to ESET's industry-leading malware detection engine at the most affordable entry point — it covers 3 devices, includes firewall protection, anti-phishing, and webcam protection, and maintains ESET's hallmark of running invisibly in the background without slowing down your machine.
5 mentions · 4 threadslast mention Jan 20266.3/ 10
ClearPick Score
Buyer Beware
Score informed by 5 owner mentions across 4 Reddit threads · see every quote ↓
1 positive2 mixed2 negative
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Best Lightweight Antivirus
ESET Internet Security
~$59 CAD/yr est. on Amazon.ca
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Every mention, sourced
Real comments from Reddit, linked to the original thread. Nothing paraphrased.
Windows defender is enough, maybe malware bytes... I havent used an antivirus is +5 years dont knkw why would any regular user would use one these days honestly.
Comparison
Given those, ESET is definitely a great choice. Personally I'd go for Kaspersky over it, but there's little to no difference in both regards, and were Kaspersky suddenly to drop, I'd happily change to ESET.
Comparison
ESET's software does not block the downloading of your software by policy... You did not mention what the exact message was that you were receiving, but you might want to check with ESET's technical support to find out exactly what is going on, as this is not normal behavior.
Complaint
A Jellyfin issue that causes LiveTV to keep streaming from an HDHomeRun tuner even after nobody is watching anymore interacts badly with some questionable ESET Security behavior and can cause your hard drive to fill up and/or for a Windows system to become unstable and hang. The issue is that when streaming HTTP content, ESET writes temp files into \\Windows\\Temp which grow without bound, and only go away when the HTTP connections go away.
Complaint
✅ What Works
- Lightweight on system resources, praised directly by owners for low performance impact
- Considered a strong choice among paid AV options by owners who compare products directly
- Download-blocking behavior described as unusual/non-standard rather than a routine limitation
⚠️ Worth Knowing
- A specific temp-file bloat bug can fill a hard drive or destabilize the system during certain streaming/HTTP workloads
- Some owners question whether a paid suite is necessary at all over Windows Defender for casual use
- Isolated reports of ESET blocking downloads unexpectedly, requiring a support ticket to resolve
- Value proposition weighed against free alternatives by some owners
- Score revised from an earlier pass in this same correction sweep to accurately reflect the sentiment split above — treat this as the current, corrected figure.
ClearPick Verdict
Owner reports on ESET Internet Security are mixed: 2 of 5 mentions are negative and 2 are mixed, with the clearest concrete issue being a temp-file bloat bug — one detailed report describes ESET writing unbounded temporary files to Windows\Temp during certain HTTP/streaming scenarios, which can fill a hard drive or destabilize the system until the underlying connections close. A second complaint is more about necessity than the product itself, with one owner arguing most regular users don't need any dedicated antivirus given Windows Defender's baseline coverage. On the positive side, ESET is repeatedly described as lightweight on system resources, and its download-blocking behavior, when it occurs, is characterized by ESET's own support as unusual rather than expected. This is a solid choice for owners who want dedicated protection with a light system footprint; anyone running specific media-server/streaming workloads should watch for the temp-file issue, and casual users may not need a paid suite at all.
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