Something else to check, make sure your screensaver/blanker is disabled. This frequently places the computer in a 'low power' mode that might turn off your network adapter.
Havent screensaver/blanker and not network problem, Im playing now by myself but when I turn ON again the bot I will put another log without wow isues only HB.
remove: - microsoft .net framework 4 client profile - microsoft .net framework 4 extended - microsoft visual c++ 2010 x86 redistributable
restart your pc, download the installationwizard from here run it as administrator. after the wizard is done, run windows update. And install all updates for .net & c++ restart
"installed all again and now it give me another error"
Somehow you managed to install it incorrectly--it claims there are two copies of Singular. Please try installing it one more time into a new directory.