Windows 7 - only connect to internet in Safe Mode with some softwares

Hi all,
I am writing because from few weeks I can not solve this problem of connection:
if the computer is in safe mode there aren't problems, while in normal mode, the following programs don't connect / update:
Internet Explorer 11, Dropbox, Malwarebytes, Mozilla Thunderbird, Flash player update, Java update, StartUp Delayer.

While Firefox, Chrome, Emsisoft Anti-Malware (Antivirus), Online Armor (firewall), and other programs work and update normally.

I've tried and tried various "solutions" found in the Web and in the Forums, but without any result.

I noticed that Dropbox and StartUp Delayer "tell" me that's is probably a Proxy problem.
I honestly have never used a proxy, and tried in every way possible to disable any proxy, but nothing changed, same issue.

I tried uninstalling antivirus and firewall, but the issue still remain, the same as resetting the connection settings and even Windows Firewall (which is usually disabled).

This problem is present both with ethernet connection and wireless.
I use a HP dv6000 notebook with Windows Professional 64bit.

I thank you if you can help me, because I really don't know how to fix this problem =/

Thank you,
Elia
 
I MIRACULOUSLY solved this situation!

Among the many details I forgot to say that for the connection I use a router, and after several attempts to copy the settings from a computer connected to the same network, I tried to enter the DNS entry of the parameter TCP/IPv4 (in connection properties) 192.168.1.1 and 192.168.1.7 ..and all began to work perfectly.

I can not explain, howeve, why the other computer works even without these two values.

But I'm happy that this (strange) situation is solved, and hope this can help someone else :D

Have a nice day,
Elia
 
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