fastiolock/unlock key

i noticed that an app locks a file with a key but attempts to unlock it with
another key, leading to failure of the unlock call. as such, the file is
still locked thus preventing my driver from writing to it.

is this situation common and can it be remedied?

Ho Mun Chuen
@@ “Not everything that counts can be counted;
<” )~ and not everything that can be counted counts"
//\ … Albert Einstein