Apple Software Update error message - Cannot open file (-3001)

None of the checked updates could be saved.

A networking error has occurred: Cannot open file (-3001). Make sure you can connect to the Internet, then try again.
Be-radAsked:
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Be-radConnect With a Mentor Author Commented:
Hey Guys have found a thread inside Experts Exchange on this see:
http://www.experts-exchange.com/OS/Unix/OS_X/Leopard_MAC_OS_10.5/Q_23694353.html

I'll give this a go and will get back if it's not successful..

cheers
B
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muneer0811Commented:
Hi there,

Are you connected to internet when you do the s/w upd?

open system prefererences and click network.
location : automatic
show: network status

wat is the colour of the circle at the left of the connection u using?
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Be-radAuthor Commented:
Yes thanks definitely connected

Definitely the Network status is showing green thanks.
This morning I re-installed Leopard and have since received this lates error

I am tempted to try the Leopard Leopard Cache Cleaner - 4.0.16 as previously discussed - have you any recommendations before cleaning out a system cache -
see http://www.versiontracker.com/dyn/moreinfo/macosx/16494


thanks muneer
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muneer0811Commented:
http://www.experts-exchange.com/OS/Unix/OS_X/Leopard_MAC_OS_10.5/Q_23694353.html

the link above which you added in ur comment seem to have a no of solutions...
which did you try?
- restarting (hard) ur modem and router
- trying alternate way of connection (frm wireless to wired or ViceVersa)

and for Leopard Cache cleaner i dont actually know how u can use it for ur prob:

This is something manual you can try. delete the contents of:
-Library/Caches/com.apple.SoftwareUpdate/
-Library/Updates

the above dir store updates. even though your error is connection related, u can give it a try...
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strungCommented:
Also delete the

com.apple.SoftwareUpdate.plist files.

There are two of them in

~/Library/Preferences/

and also possibly in

Users/username/Library/Preferences/.
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Be-radAuthor Commented:
Thanks so much for your responses - as Muneer suspected Leopard Cache cleaner didn't do much to fix the problem..

I did however deleted every com.apple.SoftwareUpdate.plist files I could find stored in the my MAC's HD + on an external backup drive. Still no luck - the message still comes up even today's Latest MAC security Update.

So will have to still keep trying other things

Also having some processor lag late lately I am very tempted to perform a clean wipe of the internal drive and start again. Fix up two birds with one stone kind of thing..

Thanks anyway guys

Cheers
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strungCommented:
Try downloading and running the DNS Changer Trojan removal tool.

http://macscan.securemac.com/files/DNSChangerRemovalTool.dmg
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Be-radAuthor Commented:
hi strung no DND Changer Trojan's were detected by the app

cheers


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strungCommented:
Well, that was a long shot.
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Be-radAuthor Commented:
Thanks for that man.. its good to know I've none of those trojans anyway ;-)
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Mac_VeteranCommented:
Thought this might help.
Not my Idea

Michael


A networking error has occurred: Cannot open file (-3001). Make sure you can connect to the the internet, then try again.
The terminal came to my rescue. Here is the command:
$ sudo softwareupdate -ia
This will prompt you for your root password and then start downloading the packages. Hope it helps a few until they fix this bug.
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