Steps to reproduce:

1. install zabbix agent 2 on windows server and setup the psk during installation
2. zabbix agent service wont start due to the default psk path being "C:\Program Files\Zabbix Agent 2\psk.key"

To fix it:

1. copy the psk to c:#somewhere with no spaces"
2. change the zabbix agent config file to match the new location

Result:

Log file from the first attempt to start the agent (with spaces in psk path):
2022/11/16 13:06:47.473814 Starting Zabbix Agent 2 (6.2.4)
2022/11/16 13:06:47.982043 cannot use encryption configuration: invalid TLSPSKFile configuration parameter: open C:\Program Files\Zabbix Agent 2\psk.key: The system cannot find the file specified.
Expected:

a few lines from the log file after the fix:
2022/11/16 13:21:25.989774 Starting Zabbix Agent 2 (6.2.4)
2022/11/16 13:21:25.993744 OpenSSL library (OpenSSL 1.1.1k  25 Mar 2021) initialized
2022/11/16 13:21:25.993744 using configuration file: C:\Program Files\Zabbix Agent 2\zabbix_agent2.conf
2022/11/16 13:21:25.994252 using plugin 'Agent'...............