connectivity error in android 4.2.2 - Android Q&A, Help & Troubleshooting

hi,
I am using Android 4.2.2 Jelly bean..i am having connectivity problem.Whenever I m trying to turn on my mobile data pack and trying to go for an website it is showing " Authentication via the proxy server was unsucessful" please help.

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I've rootedmy phone (HTC Desire HD) to android 2.3.5 and I've installed cyanogenMod7 from it's nightly build repository: "cm_ace_full-200.zip".
my full cyanogen mod is: "CyanogenMod-7-09192011-NIGHTLY-DesireHD"
It's so powerful ROM and almost every thing works Okay but I have a problem with it.
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Network Failure - "Download failed. Disconnected....

Hey guys
I have got my Samsung Galaxy S3 (I9300) about a weeks & I keep getting pop up saying below:
Network Failure - "Download failed. Disconnected from Wi-Fi Network. When re-connected to Wi-Fi Network dowload will restart. To download via mobile networks, start download again after disabling Wi-Fi only. Downloading via mobile networks may incur additional charge"
The strange part is i havent even connected to Wi-Fi network so dont know how it is disconnected from it.
And this error only pops when my mobile data is on.
The phone is atm running on android 4.0.4(though 4.1.2 update is avalaible in India but my Wifi router is not working and i have ordered another which will be delivered in a week)
Any idea how to rectify this problem?
Sounds like your phone is trying and failing to download an update, the new stock ROM for your region probably.
If you don't want it to use all your mobile data plan then disable the Samsung firmware updater.
boomboomer said:
Sounds like your phone is trying and failing to download an update, the new stock ROM for your region probably.
If you don't want it to use all your mobile data plan then disable the Samsung firmware updater.
Click to expand...
Click to collapse
How to disable Samsung firmware updater?
In Settings>About Device>Software Update i am getting these 2 options:
Update(check for update)
Wifi only (Only downloadable when connecter via Wi-Fi (SELECTED)

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