I want to set a home page but when i accept it as the homepage i am told changing of home page blocked. all i have for the home page is http:// and then nothing else; and of course this page cannot be displayed

To set Gmail as your homepage, follow the instructions mentioned on the links below:
Note: Before starting with the instructions below, open the respective browser and go to www.gmail.com
For Internet Explorer:
http://windows.microsoft.com/en-IN/internet-explorer/change-home-page#ie=ie-11
For Google Chrome:
http://www.wikihow.com/Change-Your-Homepage-on-Chrome
For Mozilla Firefox:
https://support.mozilla.org/en-US/kb/how-to-set-the-home-page

GuruAid.com

1. Open your internet browser
2. Go to options
3. Look for the field called "Home page" or something similar
4. Enter your desired homepage
5. Press "accept" or "ok" to save your changes
6. Enjoy your new (or old) homepage

Follow these steps to adjust your homepage settings:

1. Click the Chrome menu on the browser toolbar.
2. Select Settings.
   • Add the home button to the browser toolbar
     Homepage button is off by default. Select the "Show Home button" checkbox in the "Appearance" section to show it on the browser toolbar.
   • Set your homepage
     When the "Show Home button" checkbox is selected, a web address appears below it. If you want the Homepage button to open up a different webpage, click Change to enter a link. You can also choose the New Tab page as your homepage.

All you want to know about Virgin Media...
http://en.wikipedia.org/wiki/Virgin_Media

For Chrome browser

Set your homepage You can add the homepage button to the browser toolbar, and you can click it at anytime to get to your homepage.
If you're having trouble blocking pop-ups, saving your homepage or startup preferences, or setting your default search engine, then an unwanted program may have taken over your settings. Check out troubleshooting steps to help resolve your issue or try resetting your browser settings.
Follow these steps to adjust your homepage settings:

1. Click the Chrome menu on the browser toolbar.
2. Select Settings.
   • Add the home button to the browser toolbar
     Homepage button is off by default. Select the "Show Home button" checkbox in the "Appearance" section to show it on the browser toolbar.
   • Set your homepage
     When the "Show Home button" checkbox is selected, a web address appears below it. If you want the Homepage button to open up a different webpage, click Change to enter a link. You can also choose the New Tab page as your homepage.

Set your homepage

For Mozilla Firefox Browser

How to set the home page We'll show you how to automatically open any web page you want when you launch Firefox or click the Home button .
Important: If your home page was hijacked or automatically changed, see Reset Firefox - easily fix most problems.
Table of Contents

• Set or change your home page
• Restore the default home page
• Having problems?

Set or change your home page

1. Open the website you want to set as your home page.
2. Click the icon to the left of the web address, drag it to the Home button, and release.
   
3. Click Yes to set this as your home page.

Tip: More home page settings are available in the Options window.

• Click on the Firefox button, select Options and then choose the Generalpanel.
  • From the drop-down menu you can choose to have Firefox show a blank pageon startup or all of your windows and tabs from last time.
  • You can also set multiple pages as your home page by opening each in a separate tab and clicking Use Current Pages.

How to set the home page Firefox Help

To set your homepage to google using IE go to the gear icon/internet options set homepage to (http://www.google.ca/ in Canada or .com or whatever country you are in) Using Firefox Firefox icon/Options/options general tab home page type (http://www.google.ca/ in Canada or .com or whatever country you are in) Using Opera Opera icon/settings/preferences general tab home page type (http://www.google.ca/ in Canada or .com or whatever country you are in) Using Safari either you have a set of horizontal bars at the top right then choose settings/ On startup open a specific page or pages, set pages sometimes the gear icon is at the top right if so choose preferences/homepage type (http://www.google.ca/ in Canada or .com or whatever country you are in) Using Chrome Gear icon/preferences/homepage type (http://www.google.ca/ in Canada or .com or whatever country you are in)

To set your homepage to google using IE go to the gear icon/internet options set homepage to (http://www.google.ca/ in Canada or .com or whatever country you are in) Using Firefox Firefox icon/Options/options general tab home page type (http://www.google.ca/ in Canada or .com or whatever country you are in) Using Opera Opera icon/settings/preferences general tab home page type (http://www.google.ca/ in Canada or .com or whatever country you are in) Using Safari either you have a set of horizontal bars at the top right then choose settings/ On startup open a specific page or pages, set pages sometimes the gear icon is at the top right if so choose preferences/homepage type (http://www.google.ca/ in Canada or .com or whatever country you are in) Using Chrome Gear icon/preferences/homepage type (http://www.google.ca/ in Canada or .com or whatever country you are in)

I understand that you want to set the home page of the browser.

The information is related to browser. Please refer the link for the information to:

Set your homepage in Chrome:

https://support.google.com/chrome/answer/95314?hl=en

Change your home page for Internet Explorer:

http://windows.microsoft.com/en-us/internet-explorer/change-home-page#ie=ie-11

I understand that you want to set the home page of the browser. The information is related to browser. Please refer the link for the information to:

Set your homepage in Chrome:

https://support.google.com/chrome/answer/95314?hl=en

Change your home page for Internet Explorer:

http://windows.microsoft.com/en-us/internet-explorer/change-home-page#ie=ie-11

check to see if you have a feature in your security software ( like your antivirus or antispyware software) that blocks homepage changes, if a glitch accidentally changed your homepage, it might not let you change it back