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Foundry · Foundry #1 (**permalink**)

11-20-2009, 06:05 PM

I have a MAC Power PC (Dual 2.3 GHz with 8 GB Ram) running OS X 10.5.8. I have been keeping a lot of my files on an external 700 GB drive (USB 2.0), which is format to the Mac OS (extended). The drive is showing that I have 292 GB used and 405 GB available. Today however, I received this error message when I tried to connect to it:

"Sorry, the operation could not be completed because an unexpected error occurred (Error code -41)."

On doing research on this, I note that this error is:
-41 mFulErr Memory full (open) or file won't fit (load)

I am not sure exactly what happened to get this error.

As I have all of my Time Machine backups on here, this error will not allow me to access my previous backups to revert to a previous state. I can see that my backups from yesterday are there though.

Short of backing up all of my data, and reformatting my drive (which I am not sure will fix this anyway), what can I do to correct this error?

Thanks in advance for any suggestions on this matter.

harryb2448 · harryb2448 #2 (**permalink**)

11-20-2009, 11:02 PM

A lot of error 41 codes seem to be associated with Final Cut Pro if you have been using that. Here is an item from Apple Discussion:-

Apple - Support - Discussions - General Error (41), I cannot open my ...

On my machine same specs use SuperDuper and a Firewire external HDD. USB2 is not the greatest on Macs generally. The advantage of Firewire also for our machines is you can copy your OS and boot from it.

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Foundry #1 (permalink)
Member Since: Nov 20, 2009 Posts: 1	How to fix Error Code -41 11-20-2009, 06:05 PM I have a MAC Power PC (Dual 2.3 GHz with 8 GB Ram) running OS X 10.5.8. I have been keeping a lot of my files on an external 700 GB drive (USB 2.0), which is format to the Mac OS (extended). The drive is showing that I have 292 GB used and 405 GB available. Today however, I received this error message when I tried to connect to it: "Sorry, the operation could not be completed because an unexpected error occurred (Error code -41)." On doing research on this, I note that this error is: -41 mFulErr Memory full (open) or file won't fit (load) I am not sure exactly what happened to get this error. As I have all of my Time Machine backups on here, this error will not allow me to access my previous backups to revert to a previous state. I can see that my backups from yesterday are there though. Short of backing up all of my data, and reformatting my drive (which I am not sure will fix this anyway), what can I do to correct this error? Thanks in advance for any suggestions on this matter.

harryb2448 #2 (permalink)
Member Since: Nov 28, 2007 Location: Nambucca Heads Australia Posts: 11,977 Mac Specs: Quad Core, OWC Mercury Electra SSD. 22" BenQ LED display.	11-20-2009, 11:02 PM A lot of error 41 codes seem to be associated with Final Cut Pro if you have been using that. Here is an item from Apple Discussion:- Apple - Support - Discussions - General Error (41), I cannot open my ... On my machine same specs use SuperDuper and a Firewire external HDD. USB2 is not the greatest on Macs generally. The advantage of Firewire also for our machines is you can copy your OS and boot from it.

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