Authentication Failed

[legg1]

I get this error "authentication failed" - out of the blue...
newly reinstalled with .net 3.5 and 4.5.1

Logs attached.

 

[Tony]

remove:
- microsoft .net framework 4 client profile
- microsoft .net framework 4 extended
- microsoft visual c++ 2010 x86 redistributable
- microsoft visual c++ 2012 x86 redistributable


restart your pc,
download the installationwizard https://www.thebuddyforum.com/attach...uddywizard-zip
run them as administrator.
after wizard installation is done, run windows update. And install all updates for .net & c++
restart