You got still the same issue:
[11:59:56.672 D] System.UnauthorizedAccessException: Access to the path 'C:\Program Files\Honorbuddy\Routines\Singular\Settings\MageSettings.cs' is denied.
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFrom*****, Boolean useLongPath)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
at System.IO.StreamReader..ctor(String path, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize)
at System.IO.StreamReader..ctor(String path, Encoding encoding)
at System.IO.File.InternalReadAllLines(String path, Encoding encoding)
at System.IO.File.ReadAllLines(String path)
at Styx.Common.Compiler.CodeCompiler.ParseFilesForCompilerOptions()
at Styx.Common.Compiler.CodeCompiler.Compile()
at Styx.Common.AssemblyLoader`1.Reload(String reason)
Please install HB into a folder on your Desktop, Drive C: is considered as the system drive. If you install Honorbuddy on Drive C:, you definitely have to run it as Administrator. To do so, right click on Honorbuddy.exe -> Execute as Administrator. Hope it helps.