My network connection is sporadic

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• App Store network connection has been lost because

  MacBook air early 2015 El Capitan 10.11.6

  Regardless of the service providers network, firewall is turned off, I get "we couldn't complete your purchase. Network connection has been lost"message when I try to install any app from App Store.

  Any help appreciated.

  Try resetting the App Store and the deletion of Cookies.

  Reset       Taken from old Toad

• Sierra periodically drops network connection

  I installed Sierra last night.  For the third time today, I was told that I was not connected to the internet.  The first two times I have recycled my modem and returned.  This time, before that I did, the system which I would put in sleep after that I lost the internet, woke up spontaneously and I was connected. And now, the same thing that happened to me last night also happens to know that after you put the system to sleep, in a few seconds, he wakes up immediately without doing me anything. (Which had itself set last night, but now it is again).  No doubt these two are related?

  No idea what is happening and how to solve this problem, so it doesn't continue to occur?  Thank you.

  Tonight after the system into sleep, I woke it and again, for the fourth time today, I have had no network connection.  I waited a while and was connected again. So I think that there is something of how Sierra handles sleep taking offline or something similar.  I always hope that someone here can help with advice about what to do to fix this problem.  Thank you.

• Why El Capitan 10.11.6 wonder to accept incoming network connections to iTunes12.5.1?

  WHENEVER I'm starting iTunes12.5.1, I wonder by El Capitan "do you want the application"iTunes.app"to accept incoming network connections?

  "Authorized" it the first time, why is it happen again?

  This isn't a small problem of snitch I deleted all the rules of LS for iTunes. Start iTunes and get two windows permissions. The small window reproduced every time I restart iTunes.

  I reinstalled the OS X 10.11.6 and downloaded iTunes from the iTunes site and reinstalled. I always get the menu 'accept' whenever I start iTunes.

• Why do block/allow the python network connections?

  Whenever I restart my computer, I get a popup window asking me to deny/allow incoming network connections to python.app. I checked my firewall settings and they are configured to allow incoming network connections. How can I fix so I did not have these messages?

  Create a new account and start in this account. If the problem persists, it may be another application is triggering demand or maybe it's that the firewall application is causing the problem. Function where and how you use your mac OS firewall may not be necessary.

  See the following topics

  http://www.thesafemac.com/do-i-need-a-firewall/

• TimeCapsule loses network connection

  I have a TimeCapsule (new version of turn 2014) and I noticed that my backups are not being every hour. Utility app showed 'device not found' on the network.  I restarted the time capsule - it connects to the network successfully for about 3 minutes and then "Device Not Found".  I restarted my TimeWarner cable modem then restarted TC even question.  My wifi router is the TimeWarner modem and I have 60MB of speed that I'm guaranteed up to 50MB, so all right from the internet side.

  I did a soft reset... same question.  I did a hard reset and used the previous settings - same issue (3 minutes network, and then click device not found a few moments later).  I guess I can do a default network but since absolutely no changes to the network settings have work probably months (7 + months) I don't see why this would happen.  I don't want to lose my entire backup (s) risk is... I have no other way to save my December 2015 MBP.  * Funny, it is the TC network shows, if I hit him "save now" finds TC but TC for 3 minutes then turns off network; However, the backup actually occurs successfully. But will not back up again until I restart then the TC on the network these 2-3 minutes before losing the connection.  Help.

  I have a MBP 15 mid-2015 "and capital El v10.11.6.  My TC etc are all up to date on the versions of software too!

  Many users have posted on the forum with the same number of "Device not found" in the last days. Looks like almost every new post is about it. This is one of a few minutes there are, for example:

  TimeCapsule loses network connection

  Rumor has it that the 10.11.6 recent update is part or all of the problem, according to the opinion.

  The "fix" of the day is to disable Back to My Mac in AirPort Utility, that seems to work for users who have helped with my Mac. Of course, you lose functionality when you do this.

  No solution yet for users who do not use Back to My Mac, because they cannot turn off something they did not.

  Apple is silent, not so much we can do until Apple recognizes that there is a problem (which they are not since yesterday when I spoke to them).

  Stay tuned.

• Firefox cannot connect to a local server subdomain if no available network connection.

  Hello

  I have a laptop that is configured as a local server using Apache. On this, I use "localhost" as the domain and have several subdomains.
  Now, if I have no network connection (to any other device) available on this laptop, and then with Firefox I am only able to access the domain 'localhost', but none of the subdomains and get a "Server not found" error on these. If I have a network connection, I can access the domain and subdomains with no problems.

  What it could be and what can I do to make it work without a network connection?
  I also tried with Opera and Chrome, and they can access subdomains anyway.
  Unfortunately however I prefer Firefox, then Yes... I am here.

  Kind regards
  Song

  Troubleshoot you your network connection in the Options menu? Firefox cannot load websites but other browsers may

  If internet not configured correctly, you may have a firewall set in place? http://www.aboutdebian.com/network.htm is what I used as a reference.

• Problem with the network connection security

  When I try to view certain websites, I get an error message that says: "there is a problem with the security of your connection Metwork. In addition, a friend just sent me a copy of an e-mail that was sent to him. Apparently, someone must have hacked into my email account, has obtained my contact list, created an e-mail account using my name and sent e-mails to people on my contact list.

  How can I fix the problem with the warranty of my network connection, and what I can do on the pirate e-mail contacts list?

  Can you give an example of the websites that you see this 'error' on?

• network connection is not available when using the photos on apple tv

  While using Apple TV and pictures, I get a message that says don't: no available network connection.  I check other programs and they have an available network connection and all is well.  This happens intermittently, but once it happens, you will need to restart the apple tv several times and I hope that solves the problem.  I use icloud photo library and I am trying to access my photos.  Is this a known issue?

  This could be one of those cases where the message is just a generic "connection failed" message. So he doesn't mean what he says, just that it cannot connect to the server iCloud.

  Together there is automatic DNS in your network ATV settings?

  Are you sure that there is no interference from WiFi? If there is no interference, a reboot should be enough.

  When photos fails, you can use another application that uses the internet?

• I installed the version 9.0.1 v10 Firefox has crashed maybe 20 times since then. The previous version almost never crashed AND it changed as if by magic of my network connection settings.

  I installed the version 9.0.1 v10 Firefox has crashed maybe 20 times since then. The previous version almost never crashed AND it changed as if by magic of my network connection settings. disable/change actually my DHCP
  -J' I disable all my Add-ons and rebooted w/no probs but it's crazy.

  I found a FF v9 online and install it. So far it works. I'll pass on challenging FF v10

• AT200 - problems of network connection to day ics

  I tried several times to update to ICS, but I can't download the software package!

  When I try this at home, I get about one-fifth of the full download before he says "could not download the software.
  Please check your network connection. I tried to download via public wifi in coffee - same problem.

  I read on the Forums that others have this problem as well, but there is no answer yet. Anyone with an idea full help there?
  That...

  Have you tried to install the application "Fixer WiFi"? I can just guess that your WiFi connection is unstable and station service app download recovery (all?) may not be very robust.

  Personally, I had no problem download & install the update (in addition, there is some messagebox after update).

  #1
  Are you sure, that there is enough free space on your shelf for download? (Shouldn't need more than 1 GB)

  #2
  Optimize your WiFi connection. Put the Tablet next to the router during the download. If this does not help, try to check (i.e. with a laptop and software, or the router can have such a function) what are the channels (2, 4 GHz) have probably never served in your neighborhood and try to reconfigure the router to use a channel of the less/not used.

  It will be useful.

• Apple TV loses network connection

  Why my Apple TV loses its network connection? Each article I found said it's your network... It is not my network. I have 4 other Apple TV on my network of 5 ghz and they work great. I've seen articles that say it is the signal of my AirPort Extreme. It is not the case... As I said previously I have 4 other Apple TV scattered throughout the House and Apple TV that has the problem is sitting right next to the AirPort Extreme. All 5 Apple TV are Gen 3 and the updated version. So is there anything else I can try before buying a new Apple TV?

  Other devices work does not have a network problem.

  You can get a report ffrom istumbler, netstumbler or similar to see a current state of the network. This will give you the strength of the precise signal, noise, networks nearby. With the help of Ethernet will also check. You can also test it on another network

• How delete/remove an unwanted network connection?

  How can I remove/delete a unwanted network connection that appears in a list of possible connections?

  I have my usual point of connection, but somehow a second connection point with the same base name appeared, but his name is the same as my main, but with the addition of his name to "guest.

  Hello:

  It depends on.

  With Windows 8, you right click on the network, you do not want and select forget this network.

  With Windows 7, see this link.

  http://www.technixupdate.com/forget-or-remove-WiFi-network-remembered-connectivity-details-in-Windows-7/

  If you want to never see the comments network, disable the network comments option in the configuration menu of your router.

  The "Guest" is an option on many routers that allows you to have people connect to internet via wifi from your router, but not have access to your home network.

• Why do I not reset my network connection to "no proxy each time I start Firefox?

  Using FF 4.01, Windows 7, x 64, latest updates on an Asus K52F Core I3 CPU M370 @ 2.4 Ghz. memory 4 GB started having reset the network connection to the 'no proxy' since going to 4.01. Why the FF can't remember my setting?

  You are welcome

• Intel PRO/Wireless 3945ABG Network Connection failed

  Hello

  I can't use my WiFi connection and currently think that maybe it's to do with the driver for my Intel PRO/Wireless 3945ABG Network Connection.
  I was in the system and tried to update the drivers, but it does not work and have also tried to download various updates without success.

  Please can you advise
  Thank you

  Paul

  Hello paul

  What model of laptop do you have?
  Wireless network card is installed correctly?
  Laptop can't see your WLAN?
  Have you checked all the WLAN settings?