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    Opera freezing and running painfully slow after installing version 58

    Opera for Windows
    update antivirus performance slow freezes
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    • A Former User
      A Former User last edited by

      Whenever I open Opera, my antivirus (Trend Micro) uses up to 70% CPU and Opera goes from a complete whitescreen to slowly loading pages. Trying to load unpacked extensions results in an immediate freeze with the small pop-up explorer showing no folders. After crashing or closing it, the task takes a minute to disappear and for my antivirus to calm down.

      Same story on my laptop: everything worked fine until I updated to version 58.
      I thought downgrading to version 55 would help but it did not.

      I contacted Trend Micro's customer support but they were not able to help me

      Other browsers such as Firefox work flawlessly

      I tried:
      reinstalling Opera (versions 58 and 55)
      disabling various extensions
      disabling my antivirus (which resolves the issue temporarily) (!)

      OS:
      Windows 8.1 (latest updates installed) and Windows 10 on my laptop
      Trend Micro 'Maximum Security' Version 15.0.1212

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