RegCopyTree fails with Access denied error (5) on Windows 7

MSDN documentation for RegCopyTree states that ‘The calling process must have KEY_CREATE_SUB_KEY access to the destination key’, however call fails on some keys with Access denied error (5) on Windows 7 Ultimate 64-bit. Changing desired access rights to KEY_ALL_ACCESS solves the problem. Currently I do not know why, but it works in my case.

2011 links no. 3

Interview With Sacha Barber in The Code Project. The ABA problem occurs during synchronization, when a location is read twice, has the same value for both reads, and “value is the same” is used to indicate “nothing has changed”. However, another thread can execute between the two reads and change the value, do other work, […]