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How to apply the patches and control AutoRun

What's the difference between AutoRun and AutoPlay? AutoPlay associates multimedia file types with specific applications,while AutoRun executes autorun.inf files found on various drives.Every recent version of Windows has features known as AutoPlay and AutoRun. These functions are designed to launch applications automatically from a external device containing the necessary AutoRun information. This is what causes an installer window to pop up when you insert a software disc into your CD or DVD drive, for example, or makes a pop-up menu icon appear in the taskbar tray when you insert a USB flash drive. (In some cases, the action doesn't occur until you double-click the flash drive icon in Windows Explorer.)

When a disc is inserted or a drive is connected to your system, Windows looks in the root directory of the new disc or drive for a file named autorun.inf. If found, Windows executes the instructions in that file.For example, an autorun.inf file on a CD might contain a line that reads open=setup.exe. This tells your computer to launch a setup program as soon as the CD is inserted into the drive.

However convenient this might be, unfortunately, AutoRun also opens a huge door for viruses, Trojan horses, and worms. All it takes is a USB flash drive with an autorun.inf file and an executable in its root. Once inserted, a worm launched in this manner can infect every disk partition it finds, jumping from computer to computer as network users connect to an infected drive.

If you followed the instructions to block AutoRun by adding a Registry key, you should remove the key before applying the Microsoft AutoRun patch to prevent any possible interaction. Take the following steps for complete protection:

Step 1. Remove the @SYS line from the Registry, if you added it. In Windows XP, click Start, Run. (In Vista, click Start.) Type regedit and press Enter. In the left pane, navigate to and select the following key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\IniFileMapping\Autorun.inf

Press the Del key to remove the key. Close the Registry Editor.

Step 2. Install the patch described in KB article 953252 (for Vista and Windows Server 2008) or 967715 (for XP, 2000, and Server 2003).

Step 3. For security reasons, it's strongly recommended you disable AutoRun for all devices. In non-Home versions of XP and Vista, use the Group Policy Editor. In XP, click Start, Run. (In Vista, click Start.) Type gpedit.msc and press Enter. In the left pane, under Computer Configuration, expand Administrative Templates.

In XP Professional, select System in the right pane under Administrative Templates, right-click Turn off Autoplay in the right pane, and choose Properties. Click Enabled, select All drives in the "Turn off Autoplay" box, click OK, and close the Group Policy Editor.

In Vista Business and higher, expand Windows Components and select AutoPlay Policies. In the right pane, double-click Turn off Autoplay, click Enabled, choose All drives in the drop-down menu next to "Turn off Autoplay on," click OK, and close the Group Policy Editor.

To disable AutoRun in the Home versions of XP and Vista — which don't have the Group Policy Editor — use the Registry Editor. In XP, click Start, Run. (In Vista, click Start.) Type regedit and press Enter. Navigate to and select the following key:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

In the right pane, double-click NoDriveTypeAutoRun, enter 0xFF in the "Value data" field, make sure Hexadecimal is selected under Base, click OK, and exit the Registry Editor.

Step 4. If you ever need to re-enable AutoRun for a certain system, open the Group Policy Editor (on non-Home versions of Windows) or the Registry Editor (Home versions). Then follow the instructions in KB article 967715 (for XP, 2000, and Server 2003) or 953252 (for Vista and Windows Server 2008) to return AutoRun to its default state or customize its settings. AutoRun can be configured, for instance, to work differently for CD-ROMs than for other media.

Once you've disabled AutoRun, you'll have to use Windows Explorer to access data files on the USB memory devices and optical media you insert in your PC. If you load a disc that contains audio or video, you may want to open your favorite media player to run the content. However, this is a small price to pay for the security edge you gain by disabling AutoRun.

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The region south of Cochin centered around Quilion came to be known as Venad. It was an autonomous kingdom within the Chera empire. The port was visited by Nestorian Christians, Chinese and Arabs. A new calendar was established called 'Kolla Varsham' (Quilion year) starting in AD 825.The Kulasekara empire lasted for three centuries. }