Dear i have send some information for solve your problem.
i hope you have satisfied my help.
Thanks.Fix 1: Check your Windows HOSTS file
- Make sure
there’s no entry in the hosts file that maps the website’s address to
localhost or an incorrect IP address like 127.0.0.1 – it is a
possibility if you have imported some third-party hosts file.
cmd /k notepad c:\WINDOWS\system32\drivers\etc\hosts
Fix 2: Find Faults in the Pipeline
– Paypal website
may be up and running but it is possible that the real problem lies
with a router that is between you and the computer hosting the Paypal
website. Do a traceroute and check for messages like “Request Timed
Out” – they will help you find the location of the breakdown.
Type the following command in the Run Window:
cmd /k tracert www.paypal.com
– remember to replace Paypal with address of the website that is unreachable.
Fix 3: Clear DNS Cache
– The DNS cache keeps a
record of sites that you have recently visited on your computer. If
that gets corrupted, you may have issues opening sites that were
previously accessible without problems.
Type cmd /k ipconfig /displaydns
in the Run window to see the cache entries. If that unreachable website is listed in the cache, type cmd /k ipconfig /flushdns
to clear the cache.
Fix 4: Website May Be Blocked
– The chances are
rare but it is possible that access to some particular website may be
have been restricted by the Office firewall. To test this, send an email
with the problematic website URL in the subject field. If the website
is up, you will get a text copy of the web page in an email message.
Fix 5: Suspend the Anti-Virus and Firewall
– If you
are running an external software firewall or anti-virus program (like
Norton, ZoneAlarm, etc), exit and restart the web browser. Is the
problem solved now ?
When nothing works, open 192.168.1.1 and reboot the modem. If that
fails, restart your computer and as a final step, call your ISP support.