What is the "lynchtmlconv.exe" process on windows 7? Is the "lynchtmlconv.exe" process a virus? Can I terminate the "lynchtmlconv.exe" process?

"lynchtmlconv.exe" process represents "Skype for Business" program.

"lynchtmlconv.exe" process is normally running under the parent process "svchost" as shown in the process tree below:

Boot
   wininit
      services
         svchost
            lynchtmlconv

On the Processes tab of "Task Manager", "lynchtmlconv.exe" process may be listed as:

Image Name                 Memory   Description
--------------------   ----------   -----------
lynchtmlconv.exe         28,492 K   Skype for Business

Additional information about "lynchtmlconv.exe" process:

Command line:
   "C:\Program Files\Microsoft Office 15\Root\Office15\lynchtmlconv.exe" -Embedding

Programe file information:
   Name: lynchtmlconv.exe
   Location: C:\Program Files\Microsoft Office 15\Root\Office15\lynchtmlconv.exe
   Description: Skype for Business
   Version: 15.0.4885.1000
   Size: 6749888 bytes
   Last modified: 11/15/2016 5:20:04 AM
   Company Name: Microsoft Corporation
   
Some data files used:
C:\Windows
C:\Windows\SysWOW64
C:\ProgramData\Microsoft\Office\ClickToRunPackageLocker
C:\Windows\SysWOW64\en-US\KernelBase.dll.mui
C:\Users\fyicenter\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat
C:\Users\fyicenter\AppData\Roaming\Microsoft\SystemCertificates\My
C:\Windows\SysWOW64\en-US\urlmon.dll.mui

Some registry keys used:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
HKLM\SYSTEM\ControlSet001\Control\Nls\CustomLocale
HKLM\SYSTEM\ControlSet001\Control\Nls\Sorting\Versions
HKLM\SYSTEM\ControlSet001\Control\SESSION MANAGER
HKLM\SOFTWARE\Microsoft\Office\15.0\ClickToRun
HKCR\Wow6432Node\CLSID\{EA2CC55C-F0E6-4A2D-A940-B16D3BD58A03}
HKLM\SYSTEM\ControlSet001\Control\Nls\Locale

Some DLL libraries used:
C:\windows\SYSTEM32\ntdll.dll
C:\windows\SYSTEM32\wow64.dll
C:\windows\SYSTEM32\wow64win.dll
C:\windows\SYSTEM32\wow64cpu.dll
C:\Program Files\Microsoft Office 15\Root\Office15\lynchtmlconv.exe
C:\windows\SysWOW64\ntdll.dll
C:\windows\syswow64\kernel32.dll
C:\windows\syswow64\KERNELBASE.dll
C:\Program Files\Microsoft Office 15\Root\Office15\AppVIsvSubsystems32.dll
C:\Program Files\Microsoft Office 15\Root\Office15\AppVIsvStream32.dll

"lynchtmlconv.exe" process is not a virus. You should not terminate "lynchtmlconv.exe" process.

⇒ "mstsc.exe" Process on Windows 7

⇐ "AppVDllSurrogate64.exe" Process on Windows 7

⇑ Application Program Processes on Windows 7

⇑⇑ Windows 7 Processes Tutorials