AlexSonne81 wrote:
copying from one app and trying to paste to another, but getting a weird image that's a block of text in MacOS.
Is there a specific application example you are referring to...?
I suspect not all apps play nice with one another, espcially if there is third party involved(?)
I have Never had the issue and Not aware of the issue.
if this is ongoing for you—you can file a bug report / submit your Apple Feedback here: Product Feedback - Apple
To trouble shoot further you can:
—A SafeBoot Start up your Mac in safe mode - Apple Support will sort many anomalies
Does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, third party system modifications and system accelerations are disabled temporarily.
Login and test. Reboot as normal and test. Caches get rebuilt automatically.
This test will tell you if third party interference; most extensions etc are not loaded in safe boot mode.
—Test issue in another user (or guest user) account Change Users & Groups settings on Mac - Apple Support
This will tell you if it a universal issue or isolated to your user/admin account.
***wireless keyboard with rechargeable batteries— connect the charging cable, this will make the wired keyboard successful Safe Boot your Mac.
unplug all non-essential peripherals when testing
Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus
all known to cause issues on the macOS