[2023] A JavaScript error occurred in the main process on Launch

No obvious cause of this in those logs. But was there no cpatch.log there as well?

Has the launcher ever worked on this machine? Or never yet?


Please try these two Windows repair tools:

.NET

Microsoft .NET Framework Repair Tool is available - Microsoft Support

Describes the .NET Framework Repair Tool and how to obtain it. support.microsoft.com
SCANNOW:

Use the System File Checker tool to repair missing or corrupted system files - Microsoft Support

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista. support.microsoft.com
Good luck!