Windows error 0x00000597, 1431

Detailed Error Information

HOOK_NOT_INSTALLED^[1]

Message	The hook procedure is not installed.
Declared in	winerror.h

This appears to be a raw Win32 error. More information may be available in error 0x80070597.

HRESULT analysis^[2]

This is probably not the correct interpretation of this error. The Win32 error above is more likely to indicate the actual problem.

Flags	Severity	Success This code indicates success, rather than an error. This may not be the correct interpretation of this code, or possibly the program is handling errors incorrectly.
	Reserved (R)	false
	Origin	Microsoft
	NTSTATUS	false
	Reserved (X)	false
Facility	Code	0 (0x000)
	Name	FACILITY_NULL^[2]^[1]
	Description	The default facility code.^[2]^[1]
Error Code		1431 (0x0597)

Questions

Why is SetWindowsHookEx() returning NULL and LastError is ERROR_HOOK_NOT_INSTALLED

I have code that has been working without any reported issues for a few years. It sets up a low level keyboard hook that the user uses to activate the application. m_hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, KeybHookFn, GetModuleHandle(NULL), 0); For one user all of a sudden (it worked for him before for [...] read more

windows

winapi

setwindowshookex

Comments

Sources

winerror.h from Windows SDK 10.0.14393.0
https://msdn.microsoft.com/en-us/library/cc231198.aspx

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