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.
Utsvc.exe file information. The process known as UnThreat Service Manager belongs to software UnThreat Service Manager by Scandium Security. Description: Utsvc.exe is not essential for the Windows OS and causes relatively few problems. Utsvc.exe is located in a subfolder of C:\Program Files. The file size on Windows 10/8/7/XP is 2,808,112 bytes.