Not able to access Gmail,Gtalk,Yahoo mail, Yahoo messenger and others

[thenvk]

Here is the speed test link before the installation of connection booster..
https://www.speedtest.net/result/240673802.png


after installation..
https://www.speedtest.net/result/240674762.png


And now yahoo and gmail not working,....

 

[essbebe]

and now yahoo and gmail not working,.
I would have said "after trying TZ connection Booster ALSO ...... etc""" !!!
1.You could have reported the MTU/Rwin selected by the TZ connection booster program.
2. Try this program and CHANGE ONLY MTU to 1478 ( windows default 1500)
DrTCP windows tcp tuning and tweaking - dslreports.com
DrTCP description
DR TCP - a internet speed connection optimizer. ( same as TZ)
DR TCP is a useful windows utility that can modify your TCP stack.
Use DrTCP only in conjuction with the advice from the Tweak Test.
Alternate site.
Download DrTCP 0.21 - DR TCP - a internet speed connection optimizer. - Softpedia

::. Kitz - Tweaking MTU settings .::
512kb connections
MTU RWin
Comments
1458 12762
BT original suggested setting.
1430 13900
Pengbo + Tams recommendations.
* probably the best settings for most 512 users.
1478 14380
Another of Tams, that works best for some.
1458 14180
1472 14320
1500 14600