Press WinKey + R to bring up the Run dialog. Then, run the following command and hit ENTER.
ie4uinit.exe -ClearIconCache
In Windows 10, run this command instead:
ie4uinit.exe -show
當使用Inno setup 調用ie4uinit總是不成功，參考這個：https://stackoverflow.com/questions/44904898/inno-setup-unable-to-find-and-execute-ie4uinit-exe-on-x64