As a security measure, there are times when you need to stop access to certain programs to other users. In Windows, using the Local Group Policy Editor, you can specify which all programs you want to prevent from running. This is very useful if you are administering an Internet lab in school and colleges or running an Internet café. Here’s the work around:
1) Press 
+ R to open the ‘Run’ dialog box. Type ‘gpedit.msc’ and click ‘OK’.
2) The Local Group Policy Editor window will open. In the left pane, navigate to ‘User Configuration’ > ‘Administrative Templates’ > ‘System’. Now in the right pane, double-click ‘Don’t run specified Windows applications’.
3) In the window that appears, click the ‘Enabled’ radio-button and then click ‘Show…’ button under ‘Options’.
4) In the ‘Show contents’ window, specify the executable file (.exe) of the programs you wish to prevent from being executed. Finally, click ‘OK’.
You’re done! The programs specified here won’t run until you ‘Disable’ the setting in step 3) or you remove the program’s .exe from the ‘Show Contents’ window.
deviantART is full of crazy people doing all the awesomeness don’t know since when. One such deviantART user, 
> Games. In the ‘Game Providers’ subsection, click ‘More Games from Microsoft’. 
It’s October 2009 and Microsoft has already released Windows 7 a few days ago. People all over the world has embraced the new operating system but there are some who are still nostalgic about the operating system that ruled the world for 7+ years – Windows XP. Apart from all the good things that Windows XP had, it had those really beautiful games which you grew up playing them. Now we are on a highly advanced OS called Windows 7 which has the super stylized version of games that featured on Windows XP. But here is your chance to play the same old versions of Windows XP games on Windows 7 without much hassles.
Compression of files using utilities like WinZip and WinRAR is very common technique and has been in use since long. But very few know that you can also password protect your important files using WinRAR to keep them from prying eyes. Here’s how you do it.
