Error while extensions install

[jack]

Here c:\Windows\System32\drivers\etc\
Some weeks ago you posted these hosts file entires:

0.0.0.0 clients1.google.com
0.0.0.0 clients2.google.com
0.0.0.0 clients3.google.com
0.0.0.0 clients4.google.com
0.0.0.0 dl.google.com
0.0.0.0 dl-ssl.google.com
0.0.0.0 m.google.com
0.0.0.0 pack.google.com
0.0.0.0 safebrowsing-cache.google.com
0.0.0.0 safebrowsing.google.com
0.0.0.0 tools.google.com
0.0.0.0 mtalk.google.com
0.0.0.0 android.google.com


0.0.0.0 clients2.google.com This one is problematic if you want to install applications in webstore (I use 0.0.0.0 instead of 127.0.0.1)