Ign http://ir.archive.ubuntu.com precise InRelease
Ign http://ir.archive.ubuntu.com precise-updates InRelease                     
Ign http://ir.archive.ubuntu.com precise-backports InRelease                   
Get:1 http://ir.archive.ubuntu.com precise Release.gpg [198 B]                 
Get:2 http://ir.archive.ubuntu.com precise-updates Release.gpg [198 B]         
Hit http://deb.playonlinux.com precise InRelease                               
Get:3 http://ir.archive.ubuntu.com precise-backports Release.gpg [198 B]       
Hit http://ir.archive.ubuntu.com precise Release                               
Hit http://ir.archive.ubuntu.com precise-updates Release                       
Get:4 http://deb.playonlinux.com precise/main amd64 Packages [561 B]           
Hit http://ir.archive.ubuntu.com precise-backports Release                     
Ign http://security.ubuntu.com precise-security InRelease                      
Ign http://archive.ubuntu.com precise InRelease                                
Hit http://ir.archive.ubuntu.com precise/main Sources                          
Hit http://ir.archive.ubuntu.com precise/restricted Sources                    
Get:5 http://dl.google.com stable InRelease [1,540 B]                          
100% [5 InRelease gpgv 1,540 B] [Waiting for headers] [Waiting for headers] [WaSplitting up /var/lib/apt/lists/partial/dl.google.com_linux_chrome_deb_dists_stabIgn http://dl.google.com stable InRelease                                      
E: GPG error: http://dl.google.com stable InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)