I have had the same when trying to print in Edge. Blank popup print screen and frozen Edge, works fine outside sandbox.
The difference here is...
SBIE+ 0.7.4 using classic interface 5.49.7
MS Edge 91.0.864.37
1-1a. Hardware acceleration on Edge loads to white page.
Hardware acceleration off...
Disabling hardware acceleration did the trick.
Apologies to the moderators for making my first post in the wrong forum.
Long time SBIE user but new to the forum.
I've been having problems with the last several releases of Chromium Edge being a little slow loading...
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