@lando242 here is a screenshot

I was going to open a new discussion then saw your title.

Opera crashes when;

• I switch back to opera from another app that is used for 2-3 minutes.
• Waking up windows from sleep mode while opera is already opened.
• I am using a popup window like online banking, internet radio etc.

Occurred after installing the last update of windows; i dont know whether it's related to.

Opera 33.0.1990.115
Microsoft Windows 10 Education
Version 10.0.10586 Build 10586

I had the same problem