Error
Netflix error code d7702-1290
Solution
WIN+R to open your cmd command window and input the following command lines:
CheckNetIsolation.exe LoopbackExempt -s;
FOR /F "tokens=11 delims=\\" %p IN ('REG QUERY "HKCU\Software\Classes\Local;
Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings"') DO CheckNetIsolation.exe LoopbackExempt -a -p=%p