Gtalk windows key + esc

SHIFT+DELETE(Delete the selected item permanently without placing the item in the Recycle Bin)
SHIFT+F10 (Display the shortcut menu for the selected item)
Right SHIFT for eight seconds (Switch FilterKeys either on or off)
SHIFT five times (Switch the StickyKeys either on or off)

WindowsLogo+BREAK (Display the System Properties dialog box)
WindowsLogo+D (Display the desktop)
Windows Logo+M (Minimize all of the windows)
Windows Logo+SHIFT+M (Restore the minimized windows)
Windows Logo+E (Open My Computer)
Windows Logo+U (Open Utility Manager) Accessibility Keyboard Shortcuts
CTRL+A (Select all)
CTRL+C (Copy)
CTRL+X (Cut)
CTRL+V (Paste)
TRL+Z (Undo)
DELETE (Delete)

CTRL while dragging an item (Copy the selected item)
CTRL+SHIFT while dragging an item (Create a shortcut to the selected item)
CTRL+RIGHT ARROW (Move the insertion point to the beginning of the next word)
CTRL+LEFT ARROW (Move the insertion point to the beginning of the previous word)
CTRL+DOWN ARROW (Move the insertion point to the beginning of the next paragraph)
CTRL+F4 (Close the active document in programs that enable you to have multiple documents open simultaneously)

F2 key (Rename the selected item)
F3 key (Search for a file or a folder)
F4 key (Display the Address bar list in My Computer or Windows Explorer)
F5 key (Refresh)
F6 key (Cycle through the screen elements in a window or on the desktop)

ALT+ENTER (View the properties for the selected item)
ALT+F4 (Close the active item, or quit the active program)
ALT+ENTER (Display the properties of the selected object)
ALT+SPACEBAR (Open the shortcut menu for the active window)
ALT+TAB (Switch between the open items)
ALT+ESC (Cycle through items in the order that they had been opened)
ALT+SPACEBAR (Display the System menu for the active window)

Left ALT+left SHIFT+PRINT SCREEN (Switch High Contrast either on or off)
Left ALT+left SHIFT+NUM LOCK (Switch the MouseKeys either on or off)


END (Display the bottom of the active window)
HOME (Display the top of the active window)

NUM LOCK+Asterisk sign (*) (Display all of the subfolders that are under the selected folder)
NUM LOCK+Plus sign (+) (Display the contents of the selected folder)
NUM LOCK+Minus sign (-) (Collapse the selected folder)
NUM LOCK for five seconds (Switch the ToggleKeys either on or off)