TIMER_OR_DPC_INVALID

Code: 0xc7 (199)

As HRESULT:

S: 0 (Success)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x000 (FACILITY_NULL: Default)
Code: 0x00c7 (199)

As NTSTATUS:

Sev: 0 (STATUS_SEVERITY_SUCCESS)
C: 0 (Microsoft-defined)
Facility: 0x000 (Default)
Code: 0x00c7 (199)

Parameters

Parameter	Description
0x0	Address of the timer object
0x1	Address of the DPC object
0x2	Address of the DPC routine
0x3	Address of the DPC object
0x4	Address of the DPC routine
0x5	Address of the DPC routine

Description

The TIMER_OR_DPC_INVALID bug check has a value of 0x000000C7. This is issued if a kernel timer or deferred procedure call (DPC) is found somewhere in memory where it is not permitted.

Important
This article is for programmers. If you're a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.

Cause

This condition is usually caused by a driver failing to cancel a timer or DPC before freeing the memory where it resides.

Resolution

If you are the driver writer, use the information obtained through this bug check to fix the bugs in your code.

If you are a system administrator, you should unload the driver if the problem persists.

Article text from the Windows driver documentation (opens in a new tab), by Microsoft, under the CC BY 4.0 (opens in a new tab) licence.

Associated Modules

Module	Code	Found in	Description
EventCreate.exe	0xc7	78.11011	%1
KernelBase.dll	0xc7	78.1	The operating system cannot run this application program.
dsreg.dll	0xc7	1011	All attempts to discover enrollment URL for MDM auto-enrollment failed.
kernel32.dll	0xc7	78.11011	The operating system cannot run this application program.
nslookup.exe	0xc7	78.11011	%1!d! sec
webservices.dll	0xc7	78.11011	The specified IP address '%1' does not match the IP version '%2'.
win32k.sys	0xc7	78.1	DragHeight
win32kbase.sys	0xc7	1011	DragHeight
8 entries