Solved.
wyUpdate was launched in windows\system32 folder. Moved to Program Files folder it works correctly
I run wyUpdate standalone. Te update files aer download correctly but uopdate process 32 fails.
In the details the next message is showed:
Access denied to path 'C:\Windows\system32\LogFiles\WMI\RtBackup'
I've tried in windows 7 32 bits and windows 10 32 bits
Solved.
wyUpdate was launched in windows\system32 folder. Moved to Program Files folder it works correctly
Looks like you're trying to update files you don't have access to. The error is telling you exactly what is wrong.