The most likely reason is that the user who has launched the PC Pharos Release Station does not have permission to write to the directory that the Pharos PC Station is configured for its log. By default this path is C:\Program Files\Pharos\Temp\pstation.log.txt
Locate the path configured as the log file of the PC Pharos Release Station:
1. Open the Windows Registry Editor on the workstation running PC Pharos Release Station.
2. Navigate to the registry path below depending on the architecture of the machine.
a. 32-bit = HKEY_LOCAL_MACHINE\SOFTWARE\Pharos\Station\Log\Filename
b. 64-bit = HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Pharos\Station\Log\Filename
Choose one of the solutions below.