If the process is x64 then you must have Debugging Tools for Windows x64 version installed.
If the process is x86 then you must have Debugging Tools for Windows x86 version installed.
We recommend having both if used on 64bit operating system.
Once you select a process from the list of the running processes JustTrace will try to find the right Debugging Tools for Windows version that matches the bitness of the selected process.
If JustTrace is not able to find the correct version of Debugging Tools for Windows you have to select the correct folder yourself. This could be done by clicking the browse button.
Default install folder of Debugging Tools for Windows:
x64 - C:\Program Files (x86)\Windows Kits\8.0\Debuggers\x64
x86 - C:\Program Files (x86)\Windows Kits\8.0\Debuggers\x86
Default install folder of Debugging Tools for Windows(older versions):
x64 - C:\Program Files\Debugging Tools for Windows (x64)
x86 - C:\Program Files (x86)\Debugging Tools for Windows (x86)