Windows
Browser warning from a previously visited website
A browser-generated warning/notification was appearing on the machine. The technician removed the notification, scanned the computer, confirmed it was clean, and cleared browser history so it would not return.
Killed once by someone from XL.net, on 2026-07-22.
What you see
- A warning was coming from a website and kept appearing in the browser.
Why it happens
Likely A notification from a previously visited website was triggering the warning; the malware scan did not find an infection.
When it shows up
A Windows computer shows a browser warning that appears to come from a website the user visited before.
You are in this case if:
- The warning is tied to a website rather than a local app or system service.
- The technician can reproduce the issue only in the browser/profile that has the saved website notification.
1 fix below
The steps that killed it
The steps are behind a quick check
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Someone from XL.net killed this on a Windows computer on 2026-07-22. It is written up from that one repair, so it cites no outside page.