JET_errFileAccessDenied

Code: 0xfffffbf8 (4294966264)

As HRESULT:

S: 1 (Failure)
R: 1 (Part of the wrapped NTSTATUS severity, since N is set)
C: 1 (Customer-defined)
N: 1 (Wraps an NTSTATUS value)
X: 1 (Reserved, only expected on the TRK exceptions)
Facility: 0x7ff (Unknown facility)
Code: 0xfbf8 (64504)

As NTSTATUS:

Sev: 3 (STATUS_SEVERITY_ERROR)
C: 1 (Customer-defined)
N: 1 (Reserved, must be clear in a well-formed NTSTATUS)
Facility: 0xfff (Unknown facility)
Code: 0xfbf8 (64504)

Abstract

Cannot access file, the file is locked or in use

Documented in Win32

Extensible Storage Engine Error Codes

The file cannot be accessed because the file is locked or in use.