After further testing this issue only occurs when Proxy Method is Automatic (pac file). Apt-get and Software Updater works fine with Manual Proxy Method. (Can't test Software Center now because it won't start after the latest update.)
After further testing this issue only occurs when Proxy Method is Automatic (pac file). Apt-get and Software Updater works fine with Manual Proxy Method. (Can't test Software Center now because it won't start after the latest update.)