You can check the order of the installed Languages.

• Tools > Options > Content > Languages

Thank you very much for your prompt help. But it doesn't solve my problem. The setting is only for English. However, the web page still shows in Korean.

Please see the attachment to see my problem.

Thanks a lot. :)

That is a Google redirect.

Does it also happen if you go directly to that page and aren't logged on or possibly switch to Private Browsing mode?

• https://support.mozilla.com/kb/Private+Browsing

Thank you for your suggestion. However, Not yet, Sir!

Same Problem is happening.

ctr+shift+P .... then, click "start private browsing" and then, I go to www.blogger.com and click get started to create a new blog.

Then, as before, it appears as per attachment in attachment.

Pls see the attachment again.

Thanks.

Check the connection settings.

• Tools > Options > Advanced : Network : Connection > Settings

If you do not need to use a proxy to connect to internet then select "No Proxy" if the default "Use the system proxy settings" setting doesn't work.

See "Firefox connection settings":

• https://support.mozilla.com/kb/Firefox+cannot+load+websites+but+other+programs+can

Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":

• https://support.mozilla.com/kb/Basic+Troubleshooting#w_8-make-a-new-profile
  

There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.
If that new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:

• http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Do a malware check with some malware scanning programs on the Windows computer.
You need to scan with all programs because each program detects different malware.
Make sure that you update each program to get the latest version of their databases before doing a scan.

• http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware
• http://www.superantispyware.com/ - SuperAntispyware
• http://www.microsoft.com/windows/products/winfamily/defender/default.mspx - Windows Defender: Home Page
• http://www.safer-networking.org/en/index.html - Spybot Search & Destroy
• http://www.lavasoft.com/products/ad_aware_free.php - Ad-Aware Free

See also:

• "Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked