Brave has been known to block some stuff as it is aggressive in safety controls...perhaps too aggressive for some situations.
Either
1) Change your default browser for your OS to Chrome or Edge...or Safari....and try again
OR
2) Get your Consolidated tax forms on paper and enter the data manually for whatever doesn't import properly. Always check every entry on an imported form anyhow.
Of course, we can't know if there are actual tax forms at whatever financial source you are attempting to import from.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
