10) How to lock a folder without any software?

Follow these steps.
1. Suppose you have a folder named abcd in D:\abcd.

2.In the same drive next to the folder create a new notepad file with the exact statement
ren abcd abcd.{21EC2020-3AEA-1069-A2DD-08002B30309D}

3.Now save this text file as loc.bat

4.Create another notepad file and type
ren abcd.{21EC2020-3AEA-1069-A2DD-08002B30309D} abcd

5. Save this as key.bat

6. Now there are two batch files . Double click loc.bat and your folder will change into Control Panel and its contents cannot be viewed.

7. To open the folder double click key.bat and you get back your original folder .

8. For more safety keep the key.bat in another location .Only for unlocking copy paste to the original location and double click .

If you combine this with the hidden folder trick, it will be impossible for anyone else to access it .

9) Multiple log in to Yahoo messenger

You can login with multiple id's on the same yahoo messenger.

1st Method:

1. Go to Start ----> Run . Type regedit, then enter .
2.Navigate to HKEY_CURRENT_USER --------> Software --->yahoo ----->pager---->Test
3.On the right pane , right-click and choose new Dword value .
4.Rename it as Plural.
5.Double click and assign a decimal value of 1.
That's it done!!
Now close registry and restart yahoo messenger .For signing in with new id open another messenger.

2nd Method:

You can also do it by a small software [65kb].Just download and run the Patch. The same instructions have been used in it. You can find it here.
or
http://www.mediafire.com/?1f9sm34rj5z

8) Some popular add-ons for Mozilla Firefox

Some important and necessary add-ons of Firefox are listed below with download link:-

☺ Cooliris -This provides 3D browsing experience of picture, movie and etc.
You will be able to see facebook picture album in full screen.

☺ColorfulTabs - This add-ons provides different colour for each opened tabs.

☺Personas for firefox - Personas for Firefox is a special extension that improves theme management for Firefox and makes it easier. So far, you can apply a new theme to your favourite web browser .

☺Aero Silver Fox -It turns Firefox icon into a glassy icons on a light background.

☺ Screengrab! 0.96 It will help you to saves entire webpages as images.

☺ 1-ClickWeather - Using this add-ons you can stay updated with your desired location's weather report.

☺Flagfox - Displays a country flag depicting the location of the current website's server and provides quick access to detailed location and web server information.

☺Google toolbar for firefox - It add Google toolbar in Firefox browser.

☺IE Tab - Embedding Internet Explorer in tabs of Mozilla/Firefox...

☺Remove Cookie(s) for Site - A very simple extension to remove all the cookies of currently opened site. It adds an option to the Right Click menu of the page, and a toolbar button to perform this operation. It displays the status of operation in the status bar.

☺Yahoo Toolbar for firefox - This adds yahoo toolbar in firefox.

☺ Poroshmoni - This is for viewing some old bangla newspaper site that does not support UNICODE. This add-ons allow you to read the following Bangla paper in your Mozilla firefox browser. This Convert Some Old Bangla Newspaper Website to Unicode 4.2.
>www.prothom-alo.com
>www.amadershomoy.com
>www.ittefaq.com
>www.bhorerkagoj.net
>www.manabzamin.net
>www.jaijaidin.com