Windows XP, Vista, 7, 8, 10, and 11 (both 32-bit and 64-bit architectures). 2. Primary Functionality
Controls the quick-display projection shortcut ( Fn + F4 ) for external monitors and projectors. Supported Systems and Compatibility
Modern HP Hotkey UWP services are known to cause extreme memory leaks or high CPU spikes on Windows 11 updates. Sp65563.exe
At first glance, it is a ghost. It has no author listed in its properties, no icon other than the blank white tile of an unknown executable, and a modified date that flickers between three different years when you click on it. Its size is a precise 1,048,576 bytes—exactly one megabyte. No more, no less. To the operating system, it is a citizen without a passport; to the antivirus, a whisper just below the threshold of a shout.
: It is often sought out by users to resolve issues where the brightness or volume hotkeys on HP laptops stop functioning. Windows XP, Vista, 7, 8, 10, and 11
An "Unspecified Device" (often listed as ) appears in the Device Manager. Status and Availability
Fixes issues related to battery charging or fan speeds. Supported Systems and Compatibility Modern HP Hotkey UWP
Use (from Microsoft Sysinternals) or Windows Task Manager to see if Sp65563.exe: