Most Mandarin varieties have four tones. The final stops of Middle Chinese have disappeared in most of these varieties, but some have merged them as a final glottal stop. Many Mandarin varieties, including the Beijing dialect, retain retroflex initial consonants, which have been lost in southern dialect groups.
explorer.exe is a system process that is needed for your PC to work properly. It should not be removed. Check your system now to identify unused processes that are slowing down your computer. The explorer.exe file is an executable file for Windows Explorer.
The genuine taskhostw.exe file is a software component of Windows service start manager by Microsoft. Taskhostw.exe is part of the Windows 10 operating system, and starts DLL-based Windows services when the computer boots up. Thus, Windows 10 uses the taskhostw.exe file as a host for processes that execute as part of a DLL file rather than through an EXE.