No Network access: NSPOSIXErrorDomain:1

I can't do anything that requires internet access--I can't access any websites in Safari, check for software updates, access email using Mac Mail, nothing.

In Safari, I get an error message saying "Operaiong could not be completed. Operation not permitted" (NSPOSIXErrorDomain:1) Please choose Safari > Report Bugs to Apple, note the error number, and describe what you did before you saw this message. (As for what I did before I saw this message, I can only answer, "I turned my back while my toddler was near my laptop... 😟. )

I get a similar message in Mac Mail; in Firefox, just a message saying it can't access the webpage; in software update, nothing at all.

I've looked for answers online; nothing seems to help. It does not seem to be a networking issue; according to Network Diagnostics my connection "appears to be working normally" and the other computers in the house can connect just fine. Nor is it restricted just to Safari, unlike most of the other NSPOSIXError discussions I've found. (I tried reinstalling Safari just in case, but it didn't help.)

Any thoughts? Would reinstalling the OS fix it, do you think? And if so, what do I need to do/know before I take a drastic step like that? (Don't be afraid of talking down to me 🙂.)

MacBook, Mac OS X (10.5.8)

Posted on Jan 11, 2010 11:08 PM

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76 replies

Jun 23, 2010 9:27 AM in response to jbksm

I am having the error as well after updating to the latest OS x (10.5.8) and safari 5.0. I have internet access because other programs (itunes, messenger, etc...) have access. Any web browser I try does not seem to work. I have tried almost all of the suggestions above with no success. When I tried the ping it didn't go through. I have no proxy boxes checked, and I have trashed and reinstalled safari.

Please someone help I am stuck using Windows!!!!

Sep 29, 2010 2:04 PM in response to jbksm

I've been receiving the same error message for awhile now. I've read through the posts and there was one comment that briefly talk about Norton anti virus/firewall...anyway I decided to focus my attention on that since I've tried everything else I knew and read about to resolve the issue.

In my messing around I discovered, for me, that it was an issue with my Application Blocking config in Norton Firewall. As soon as I removed Safari from the list it worked without a problem. I added it back to the list and still no problem. There are 2 arrows on the right hand margin that will allow you to 'Accept/Deny' the app. At the bottom of this screen there is an option to "assist me'. I chose that and went through the process to have Safari on the list but have it accepted (I did this just in my testing phase). Again all is good now with Safari.

The only problem now is that I get a pesky pop up notification every time I run Safari. Sorry no resolution to now at the moment. At least Safari is working again and I'll earn props with the wife. Good luck ppl. Hope this helps.

Feb 1, 2011 11:24 AM in response to jbksm

I started having the same problem after I deleted all files that were Intego related. I deleted Net Barrier, Virus Barrier etc. I deleted ever preference file and pref pane that had Intego in it. I don't think I deleted any system files, but I could have. Now, I cannot connect to the Internet with Safari, and get the "NSPOSIXErrorDomaine:1".

Has anybody resolved this?

Jul 24, 2011 4:17 PM in response to raddad68

I experienced the same problem today after a software update to Safari 5.1 and Mac OS X 10.6.8. I'm unsure which one may be the trigger. It appears the webpage block was being generated by Intego Virus Barrier after the Mac updates. I went to Intego's website from my iPad and downloaded the uninstall dmg file and then emailed the dmg to the affected iMac. (I use Postbox, a third party email program, and it appeared unaffected by the problem.). After uninstalling Virus Barrier, everything seems to be working fine.


Here is a link to the Intego Uninstaller found on their support page. I understand it works for all Intego products.

http://www.integodownload.com/mac/X/IntegoUninstaller.dmg

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No Network access: NSPOSIXErrorDomain:1

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