Error while updating

[jboscoe]

My name is Joe and i have been using linux for years but due tomy non tech savy i just broke my linux lite. I am getting an error when my linux tries to update.I have been using lite for a couple years now and like it overall. This happened after i installed the edge browser and now i am getting error of some sort the pub license for windows will not allow my os to update. i can paste the error here if thats ok.  And thanks in advance just in case i bricked the update feature.
============ Log ===========

Hit:1 http://us.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:3 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:4 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:5 http://repo.linuxliteos.com/linuxlite emerald InRelease
Hit:6 http://archive.canonical.com/ubuntu focal InRelease
Get:7 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Get:8 https://packages.microsoft.com/repos/edge stable InRelease [7,342 B]
Err:8 https://packages.microsoft.com/repos/edge stable InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EB3E94ADBE1229CF
Reading package lists...
W: GPG error: https://packages.microsoft.com/repos/edge stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EB3E94ADBE1229CF
E: The repository 'https://packages.microsoft.com/repos/edge stable InRelease' is not signed.