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Opera background accessing sites from 2 years ago?

  • I used to regularly access a site, lets call it ... ... but have not done that for ages.

    That site is going out of use and its certificate is now out of date.

    My BitDefender ant-virus reports that every 15 minutes Opera is accessing that site 4 times in quick succession (BitDefender is blocking because of the old cert but prompts me every time)

    I have cleared history (all options that I could see in Advanced) back to "All time" and cannot stop this happening

    Doing a text search in the profile (?) folder I found 4 files have the relevant text string (

    ... AppData\Roaming\Opera Software\Opera Stable\Local Storage\leveldb\000005.ldb (1 hit)

    ... AppData\Roaming\Opera Software\Opera Stable\Preferences (1 hit)

    ... AppData\Roaming\Opera Software\Opera Stable\Preferences.backup (1 hit)

    ... AppData\Roaming\Opera Software\Opera Stable\Top Sites (4 hits)

    I suspect that Preferences is not relevant because the string is in the section "removed"

    As a first guess I was thinking that the 4 entries in "Top Sites" might be responsible but I can't see how to clear out Top Sites history (I can't see the url listed anywhere when I edit that main page)

    Any suggestions ? I'd prefer not to have to create a new profile from scratch but if that's needed please point me at docs for how