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H. Flower

macrumors 6502a
Original poster
Jul 23, 2008
759
852
Trying to send tiny 4 mb mp4 files through iMessage. Just hangs for some reason.

I tried logging out, closing down iMessage, then restarting, and logging in. Nothing happened.

Seems to have started with 10.15.4.

Any ideas?
 

xnsys

macrumors 6502
Aug 20, 2018
255
440
The files you’re trying to send wouldn’t happen to be on a network volume would they?
 

macnicol

macrumors member
Mar 1, 2006
52
27
I have the same problem which started last week, about 7/22/2020, up until then I was able to send photos and attachments, then after a Catalina crash/restart overnight or an auto update to the system, iMessage would not send attachments when drag and dropped to the iMessage window. Tried copy and paste and that doesn't work either.


I have a 2019 iMac 27" with Catalina MacOS 15.5.6. These are files from an external HD, NOT a NAS drive, which have always worked up until last week. Just hangs at the end of the iMessage send progress bar and then gives error alert that message was not sent. I have restarted which did not fix it. I created a new user and logged in as new user which did not fix it either. SO it is a Catalina 15.5.6 update issue. I got a notice from Drive Genius that system files had been changed from the last log in. One of the was a new apple.com iMessage file: com.apple.installer.osmessagetracing.plist

Tried the suggested workaround of dragging the file to the desktop first and then to the iMessage text box and that worked. So iMessage can't access external HDs apparently. This is unacceptable.
 
Last edited:

Taz Mangus

macrumors 604
Mar 10, 2011
7,815
3,504
The link below is about sending pictures but it also happens with other file types as well much like what you are experiencing. Also happens to me when I attempt to send a file from my internal drive.

 
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