Windows 7 is the latest available Windows operating system from Microsoft. Apart from so many new features in Windows 7, Microsoft has also added new hotkeys to give individuals better control over their operating system. This key can be used to open the Start menu, but when used as a hotkey in conjunction with other keys, it can be used to access many Windows' key functions. Using this key allow you to work more efficiently. However, if these hotkey shortcuts become troublesome, disabling them may be preferred. How you can disable these keys will depend largely on which version of Windows 7 you're running.
Using Registry Files
• Download the file "Disable_Windows_Key_Hotkeys.zip" and save it to the desktop.
• Open the .zip file and extract the compressed .reg file within to the desktop.
• Right click on the .reg file and click "Merge".
• Click on "Run," followed by "Yes," "Yes" and "OK" when prompted to merge the file into the registry.
• Log out of your account and log back in, or restart the computer to apply the changes.
Using Local Group Policy Editor
• Open the Start menu, and click “Run” and type "gpedit.msc".
• Press "Enter" to start the search. If prompted by the User Account Control system, select "Yes".
• Click on "User Configuration" and then click on e following successive settings to expand them: "Administrative Templates," then "Windows Components" and then "Windows Explorer".
• Right click on "Turn off Windows + X Hotkeys" in the right pane and click on "Edit."
• Select the dot corresponding to "Enabled" and click on "OK."
• Close the Local Group Policy Editor window, and log off of the account or restart the computer. When you log back in, the changes will have been applied.
See also: How to Set Shortcut Keys in Windows 7