We see this same error every 60 seconds. I have not found any documentation that can point me in the right direction on understanding and dealing with this issue. You can see the log output below:
2019-05-08 19:57:15,322Z (14:57) [Event Sink Thread Pool Thread 2] ERROR com.itko.lisa.gui.LisaPrefs - Failed to save persistent preferences...
java.nio.file.AccessDeniedException: C:\DevTest\lisatmp_10.4.0\devtestprefs_8_Backup -> C:\DevTest\lisatmp_10.4.0\devtestprefs_8
at sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:83)
at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:97)
at sun.nio.fs.WindowsFileCopy.copy(WindowsFileCopy.java:205)
at sun.nio.fs.WindowsFileSystemProvider.copy(WindowsFileSystemProvider.java:278)
at java.nio.file.Files.copy(Files.java:1274)
at com.itko.lisa.gui.LisaPrefs.savePersistentPrefs(LisaPrefs.java:522)
at com.itko.lisa.vse.stateful.LicenseEnforcer$1.pulse(LicenseEnforcer.java:79)
at com.itko.util.Pulse.execPulse(Pulse.java:521)
at com.itko.util.Pulse.eventReceipt(Pulse.java:491)
at com.itko.util.EventThread.execEvents(ThreadedEventSink.java:79)
at com.itko.util.EventThread.run(ThreadedEventSink.java:59)