This is when I delete:

Uncaught NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsISpamSettings.spamFolderURI]

   canRenameDeleteJunkMail resource:///modules/FolderUtils.sys.mjs:367
   getCommandState chrome://messenger/content/about3Pane.js:467
   <anonymous> chrome://messenger/content/about3Pane.js:6366
   isCommandEnabled chrome://messenger/content/mailCommon.js:449
   doCommand chrome://messenger/content/mailCommon.js:704
   triggerCommand chrome://messenger/content/about3Pane.js:865
   onCommand chrome://messenger/content/about3Pane.js:849
   handleEvent chrome://messenger/content/about3Pane.js:326

FolderUtils.sys.mjs:367

This is when I do properties on a folder:

Uncaught NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsISpamSettings.spamFolderURI]

   canRenameDeleteJunkMail resource:///modules/FolderUtils.sys.mjs:367
   getCommandState chrome://messenger/content/about3Pane.js:467
   <anonymous> chrome://messenger/content/about3Pane.js:6392
   isCommandEnabled chrome://messenger/content/mailCommon.js:449
   doCommand chrome://messenger/content/mailCommon.js:704
   triggerCommand chrome://messenger/content/about3Pane.js:865
   onCommand chrome://messenger/content/about3Pane.js:849
   handleEvent chrome://messenger/content/about3Pane.js:326

FolderUtils.sys.mjs:367

Furthermore under File --- Compact Folders & Empty Trash are blanked out.

This happens in all my email accounts, I have pop downloading all files from the server & imap on other accounts.

So no one can help me here. Been a Thunderbird user since Netscape went offline and no one can help me, I really want to keep using Thunderbird but if no one helps me I will have to switch.