Sky is messing around. Their router is at least once a day losing the connection, then it asks you to run some troubleshooting in the web-browser then as a mandatory step redirects you to their website.
I think they do this on purpose to force their customers to view it. Strange thing is that for some time you can browse their website, read articles while the rest of the Internet is still unavailable.
Not good Sky, not good.

Not able to install .NET Framework 3.5?

On the Server 2012 for instance? In my case it was failing when using Add Roles & Features
Please just run this command in elevated PowerShell.
Install-WindowsFeature –name NET-Framework-Core –source :\sources\sxs
I hope you have an installation DVD at hand.

NTRFS: error event 13508

I ran into this problem so I ran the Authoritative FRS restore procedure using the D4 flag on the old server.
Click Start, and then click Run.
In the Open box, type cmd and then press ENTER.
In the Command box, type net stop ntfrs.
Click Start, and then click Run.
In the Open box, type regedit and then press ENTER.
Locate the following subkey in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NtFrs\Parameters\Backup/Restore\Process at Startup
In the right pane, double click BurFlags.
In the Edit DWORD Value dialog box, type D4 and then click OK.
Quit Registry Editor, and then switch to the Command box.
In the Command box, type net start ntfrs.
Quit the Command box.
Continue reading NTRFS: error event 13508