Malware

wilfredofrommayaguez wrote:

This massage keeps popping on my screen "AccessibleTaskfld" will damage your computer.

About those "<app> will damage your computer" messages

About those "&lt;app&gt; will damage your… - Apple Community

Stop unwanted Notifications

Stop unwanted Notifications - Apple Community

Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus

all known to cause issues on the macOS

Post the three screenshots from About those "<app> will damage your… - Apple Community and we'll be happy to help you fix it.

wilfredofrommayaguez wrote:

I booted in safety mode and ran first aid and I get messages like this...warning:orphan map mappings found for oid range2532203-->2532205.

That may or may not be a concern but it is unrelated to the issue at hand:

John Galt wrote:

Post the three screenshots from About those "<app> will damage your… - Apple Community and we'll be happy to help you fix it.

There is no need to run Disk Utility. We can discuss it separately. For now please follow those instructions.