Damon Atkins damon.atkins@gmail.com added the comment:
From https://msdn.microsoft.com/en-us/library/windows/desktop/ms682425.aspx
Note Python is using CreateProcess(), consider using CreateProcessW()
The Unicode version of this function, CreateProcessW, can modify the contents of this string. Therefore, this parameter cannot be a pointer to read-only memory (such as a const variable or a literal string). If this parameter is a constant string, the function may cause an access violation.
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_______________________________________ Python tracker report@bugs.python.org https://bugs.python.org/issue15533 _______________________________________