Normally you have to have a name for an icon, just blank or spaces are not allowed. To make a folder or file with no name, right click on it and select rename. Now hold Alt key and type 0160. Now the icon will have no name below it.
Since the old trick to send friend request then choosing edit to view their email id on friend’s page is not working any more, So here is the new tricks to find email id of any orkut profile. But for this tricks to be you must have Google Talk installed in your computer. Here is the trick ....
Go to any members profile whose email id you want to find and who is not your friend. (Because you can always view your friends email id by going to friend’s page)
After going to his/her select ignore user option which is on left side below picture.
Now log into Google Talk and go to Settings >> Blocked.
You will get all ignored peoples name and email id there!
To speed up your windows or to increase RAM virtually, Right click on My Computer >> Properties >> Advanced >> Performance - Settings >> Advanced >> Virtual Memory - Change
Keep the initial size same as recommended and maximum size double of it then restart your system. It will improve speed of windows and you can play some games which require higher RAM.
Microsoft reserves 20% of your available bandwidth for their own purposes like Windows Updates and interrogating your PC etc. Don't you want to get it back for your self? Here is the trick how to get 100% of your available bandwidth.
To get it back: Click Start then Run and type "gpedit.msc" without quotes.
This opens the "group policy editor" and go to: "Local Computer Policy"
Then "Computer Configuration" Then "Administrative Templates"
Then select "Network" then "QOS Packet Scheduler"
After that select "Limit Reservable Bandwidth".
Double click on Limit Reservable bandwidth. It will say it is not configured, but the truth is under the 'Explain' tab i.e.” By default, the Packet Scheduler limits the system to 20 percent of the bandwidth of a connection, but you can use this setting to override the default." So the trick is to ENABLE reservable bandwidth, then set it to ZERO. This will allow the system to reserve nothing, rather than the default 20%.
International Mobile Equipment Identity or IMEI code is a unique number assigned to every mobile and cell phone. Also it is assigned to some of satellite phones. You can find it printed on backside of your cell phone by opening the battery cover.
The IMEI check can also be performed by typing *#06# followed by calling button and the IMEI number will be displayed on the mobile phone screen. At the time of purchasing a cell phone most of the vendors do mention the IMEI number on the bill.
If your mobile phone is stolen and someone has replaced your SIM with his/her SIM, you can contact your Network provider and they can track that who is using your cellphone now. But most of the cases it never happens as there are many network providers in the country and there is no arrangement between them.
To check IMEI code (International Mobile Equipment Identity) of any mobile/ Cell phone, on the main screen type *#06# and the information you will get it from
AA-BBBBBB-CCCCCC-D
Symbol
Meaning
AA
Reporting Body Identifier, indicating the GSMA-approved group that allocated the model TAC
BBBBBB
The remainder of the TAC
CCCCCC
Serial sequence of the model
D
Luhn check digit of the entire number (or zero)
Although it’s not possible to change IMEI code of any mobile phone but there are some tricks by which a professional can change IMEI number of a cell phone.
If you want to edit registry and you don’t have administrator rights. Then you must be getting the message "Registry editing has been disabled by your administrator" on Windows XP or any other Windows NT Operating system. Here is the solution for you.
Windows Registry 
