5awShucks4 Said:
"email virus: thank you for the reply ... i currently don't have AVG on my computer ... i was wondering if it would get rid of the malware if thats what caused my sent folder to disappear"
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You are welcome.
Two Things:
A. Scan your Mac for Malware:
Use MalwareBytes for Mac --- This is software that searches for malware/adware. So, scan with it and then remove what is found. Once removed, uninstall MalwareBytes for Mac. Then restart the Mac. It is developed by longtime users of these forums, making it the only reliable Security Software for a Mac.
Downloads:
- Malwarebytes Anti-Malware for Mac
- Malwarebytes Uninstaller
and...
B. Learn from This...
Did you create a backup of your Mac prior to upgrading? Is so, then restore from the backup. If not, then take this as a learning experience, knowing to always backup your Mac, prior making any major changes to your Mac (i.e. upgrading your MacOS). Also, back it up every so often, to recover when concerned.