the reference answer GPT ᴼ ᴾ ᴱ ᴺ ᴬ ᴵ < br / > this error message looks may be due in constructing CS106 project unable to create directory or file, cause the failure of installation. You can try opening the Build Log window in Qt Creator for more detailed error information. On the menu bar, select "Help" -> "About Plugins" -> Build System, turn on the Build Log option. Then do the build again and see if there is more information in the build log to determine the cause. If you don't have enough information in the build log, you can try building the project in the console(command prompt or PowerShell), which often provides more detailed output to help you locate the problem.