vhdl_ls not starting on Windows 11 25H2

[artur-wieczerzak]

Bug description
vhdl_ls language server never starts when using TerosHDL on Windows 11 25H2. The "vhdl_ls" channel never appears in the VSCode Output dropdown and vhdl_ls.exe is not present in processes (windows task manager) when opening .vhd files. Linting never works.

To reproduce

1. Install TerosHDL on Windows 11 25H2
2. Create a project, add .vhd files with a library assigned
3. Open a .vhd file
4. Check Output panel → no vhdl_ls channel appears, no linting occurs

• OS: Windows 11 25H2
• VSCode version: 1.113 (latest)
• TerosHDL version: 7.0.3

Additional information

• The vhdl_ls.exe binary works correctly when launched manually from the terminal
• The same TerosHDL version works correctly on Windows 11 24H2
• The issue has been reproduced on multiple machines running Windows 11 25H2
• No antivirus blocks detected (Process Monitor from sysinternals shows no Process Create attempt for vhdl_ls from VSCode)
• The ~/.vhdl_ls.toml is generated correctly by TerosHDL
• Workaround: using the standalone "VHDL LS" extension alongside TerosHDL, but everytime I change project, until I open all files, they are not parsed as project files but as external.