Time ago that was related to WiDevine,
Here:
2020-05-18_184506.png
Try to update the engine from the Browser (sometimes doesn't work)
chrome://componentsIf not, you can try installing an Opera StandAlone version and test there.
If works, copy the WiDevine from USB folder to your current Installation.
Paths on Tip.
Anesidora doesn't work either?
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"Off Topic Tip"
Follow the Signature's Backup | Reset link.
Take the opportunity to start a Backup plan and even create a Template Profile.
Windows 7 (x64)
Opera Test profile | Back up | Reset