If you are getting an HWI error after upgrading to Sparrow 1.8.4 on Windows we've uploaded a video to walk you through how to fix it.
nostr:npub1hea99yd4xt5tjx8jmjvpfz2g5v7nurdqw7ydwst0ww6vw520prnq6fg9v2 explains the error and the fix here: https://github.com/sparrowwallet/sparrow/issues/1310
Our video walks you through how to add an exclusion to Windows Defender in Windows 10.