Dear All,
My PDF viewer says that something wrong, but File Explorer allows to preview with no issues, so I guess it's not issue of PDF handler.
I have both Adobe and Adobe Reader installed and they work fine. Any guess how that can be fixed?
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Try reinstalling Adobe Reader.
If you have installed PowerToys and turned on its PDF viewer, turn it off again (it's terrible and blocked in Opus as a result, which may be why it's showing PDFs in Explorer but not Opus; we'll improve how the blocking works in the next version).
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Dear Leo -
I've turned it off in PowerToys and it started working. What a relief. I suppose they've activated it on version update as I do not remember myself doing it.
Thank you for the assistance. I've not reinstalled Adobe Reader, there was no need for this.
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