As you can see, converting a PowerShell script into an EXE file is a simple process. Even so, there are a couple of things that you need to know before you try this out on your own.

Use the built-in IExpress.exe tool to easily convert PowerShell script (PS1) file to EXE in Windows 11/10. There are third-party tools available too.

Renegade's Random Tech weblog has a simple how-to for converting batch or .VBS scripts into executable forms using a lesser-known Windows program called IExpress.

Bat to Exe Converter is a free Windows tool to convert BAT files to EXE easily without using CMD. You can also use this Bat to Exe online tool.

Instead of fixing the source code, it appears that the company's developers made a series of careful changes directly to the buggy program's executable file.