This is what has worked for some on Windows 10 previously with this error:
Right-Right click on Sky Go Short cut on the desktop.
Select 'Properties' then 'Compatibility'
Uncheck box ' Run this program in compatibility mode for’ and press OK
Relaunch Sky Go App then retest, if white screen hangs on login box restart PC to Fix.
Or give this a try if the above doesn't work:
click on the Sky Go app and click on Compatibility.
Go to change settings for all users at bottom of pop-up.
Check the boxes "Run as administrator" AND the box beneath that says "Register this Program for Restart".
Click Apply.
This should take you to a screen where you have to sign into your Sky account.
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