After logging into my Moodle server, I refresh the homepage 3-5 times. The php error message below appears in the php erro log. I set the file permissions to everyone full control but I still get the same error. Don't know how to fix this. Thank you.
Version: Moodle 3.4.2 (Build: 20180319)
Error message in php error log: [28-Mar-2018 13:47:13 America/New_York] PHP Warning: rename(D:\moodledata/cache/cachestore_file/default_application/core_config/8b1-cache/.5abbd521e70062.44552495.temp,D:\moodledata/cache/cachestore_file/default_application/core_config/8b1-cache/8b151badaa9a4d437fcee99648d0c9ab55cd5a4a.cache): Access is denied. (code: 5) in D:\moodle\cache\stores\file\lib.php on line 733
os: Windows Server 2016
web server: Server version: Apache/2.4.29 (Win32)