FAQ
How do I send Support the info you need?
After a scan, open Show Details and click Save to file… to export the report, then attach that file to your Support message. In the message, add a short description of the problem, your Windows version, whether you use the Portable or Installed app, ...
What information do you collect?
By default, Trojan Killer does not collect personal documents, browsing content, or anything you scan. You can opt in (Settings) to send anonymous statistics that help improve detections, these include non-identifying technical signals like detection ...
Can I use Trojan Killer in my language?
Yes—Trojan Killer supports multiple interface languages. Open Settings → Language and switch anytime; this changes the UI only (protection quality is identical). If your language isn’t listed and you’d like to help translate, let us know—volunteer ...
The Portable Edition asks me to activate again.
This usually happens if the Portable folder was moved, renamed, or re-downloaded, which can reset the local activation data on the USB. Plug in the same USB stick, open Unregistered → here, and enter your license key again while you’re online. To ...
What’s different about the Portable Edition?
It’s the same Trojan Killer, packaged to run directly from a USB drive—no installation needed on the PC. It’s ideal for locked-down or heavily infected machines where installing software is difficult. Your activation info and settings are stored on ...
What exactly does Reset Browser Settings change? Will I lose my data?
Reset Browser Settings puts your browser back to normal by restoring the homepage, new-tab, default search, and reverting extensions, proxy settings, HOSTS entries, and similar policy tweaks—based on the checkboxes you choose. It does not uninstall ...
I have a virus but Trojan Killer doesn’t detect it.
First, update definitions and run a Full scan. If still undetected, export results (Save to file…) and send the sample or path to Support. Include any signs you’re seeing (pop-ups, redirects, filenames). We’ll investigate and add coverage quickly.
I think a detection is a false positive. What should I do?
Open Show Details, keep the item checked if you’re unsure, and click Save to file… to export the results. Send that report to Support with a note on why you think it’s safe (file origin, vendor, version). We’ll review and, if needed, fix it in the ...
What scan should I start with?
Start with Standard for a quick check. If issues remain or you suspect something deeper, run a Full scan. Use Custom to target a folder or USB disks for removable media. The virus keeps coming back after I remove it. This usually means a startup ...
I have a valid license but the key isn’t working.
First, confirm you’re online and paste the key exactly as provided—no extra spaces—and watch for look-alike characters (0/O, 1/I). Also make sure your keyboard layout is set to English when entering the key. If it still fails, grab your key from the ...
Why does the app ask me to reboot after cleanup?
A reboot is needed when malware is running in memory or has locked files that can’t be deleted while Windows is active. Restarting lets Trojan Killer complete “finish-on-boot” actions—removing leftovers, restoring settings, and unlocking protected ...
Do I need internet to use the app?
You can run scans and remove threats while offline - Trojan Killer doesn’t require a constant connection for basic cleaning. However, you’ll need internet access to activate your license and to download the latest threat definitions, which we ...
Does Trojan Killer work with other antivirus apps?
Yes, Trojan Killer is designed to coexist with most antivirus and EDR solutions. You can keep your primary AV’s real-time protection on; Trojan Killer will scan and clean alongside it. If activation, updates, or a cleanup step are blocked, ...