Archive for December, 2012

Disable USB Storage by editing the Windows registry

In certain environments, it can be useful to disable the Windows USB storage driver to prevent end-users from using USB devices to copy data from the system.

You can do this easily by modifying the Windows registry.

Click Start, and run regedit

Navigate to HKEY_LOCAL_MACHINESystemCurrentControlSetServicesUSBStor

and set the Start value to 4.

The default of 3 is shown in the screenshot below.

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Determine if you are running a 32-bit or 64-bit version of Windows

Due to many limitations in the 32-bit version of Windows, and driver signing requirements on 64-bit versions of Windows, it can be helpful to determine which version you’re running. To do this easily, follow these instructions in Windows 7:

Click the Start menu and right-click Computer, then click Properties:

start_rc_computer

Then, look under System for System Type.

sys_props_64bit

If the line is not present, you are running a 32-bit version of Windows.

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Determine if your CPU supports 64-bit in Windows

Windows will not be able to report if you are running a 32-bit version of Windows on a 64-bit machine. It will only report that you are running a 32-bit version of Windows.

You can determine if you are running on 64-bit capable CPU by using CPU-Z, using the instructions below:

Download and run CPU-Z, and look at the CPU tab.

Look for the line labeled Instructions.

If EM64T is displayed, your processor is 64-bit capable.

cpu-z

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