The texstudio-4.8.8-win-portable-qt6 closes when opening pdf if there is an accent in the path to texstudio.exe

[hair-splitter]

Environment

• TeXstudio: TeXstudio 4.8.8 (git 4.8.8)
• Qt Version 6.9.1, compiled with Qt 6.9.1 R
• OS: Windows 11
• TeX distribution: TeX Live 2025

Unzip the following file to a folder that has an accented letter in its path.
https://github.com/texstudio-org/texstudio/releases/download/4.8.8/texstudio-4.8.8-win-portable-qt6.zip

Start texstudio.exe.
File / New
Write some simple compilable LaTeX code, e.g.:

\documentclass{article}
\begin{document}
text
\end{document}

Compile (F6)
View (F7)

In the last step, TeXstudio closes.

The following version has not had this bug yet:
https://github.com/texstudio-org/texstudio/releases/download/4.8.6/texstudio-4.8.6-win-portable-qt6.zip

[sunderme]

the msys2 toolchain does not like special characters in the path name.
Compilation fails, debug fails, so it is not unlikely that txs fails to some degree.
If someone wants to figure out how to avoid the crash, please do so.