What is the "officeclicktorun.exe" process on Windows 8? Is the "officeclicktorun.exe" process a virus? Can I terminate the "officeclicktorun.exe" process?

"officeclicktorun.exe - Microsoft Office Click-to-Run" process for "Microsoft Office ClickToRun Service" manages resource coordination, background streaming, and system integration of Microsoft Office products and their related updates. This service is required to run during the use of any Microsoft Office program, during initial streaming installation and all subsequent updates.

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

Image Name            PID   User Name   Memory  Description

officeclicktorun.exe  1116  SYSTEM      2156 K  Microsoft Office Click-to-Run

Additional information about "officeclicktorun.exe" process:

Command line:
   "C:\Program Files\Microsoft Office 15\ClientX86\OfficeClickToRun.exe" 
   /service
   
Started by: services.exe

Files used:
C:\Windows\Temp\officeclicktorun.exe_c2ruidll(2016070221004845C).log
C:\Windows\Temp\officeclicktorun.exe_streamserver(2016070221005045C).log
C:\Program Files\Microsoft Office 15\ClientX86
C:\Windows\System32\en-US\KernelBase.dll.mui
C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\...
   
Registry keys: 
Key	HKCR\PROTOCOLS\Filter\text/xml
Key	HKLM\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\...
Key	HKLM\SOFTWARE\Microsoft\EnterpriseCertificates\...
Key	HKLM\SOFTWARE\Microsoft\Internet Explorer\MAIN
Key	HKLM\SOFTWARE\Microsoft\Office\15.0\ClickToRun
Key	HKLM\SOFTWARE\Microsoft\SystemCertificates\...
Key	HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags
Key	HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
Key	HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings
Key	HKLM\SOFTWARE\Policies\Microsoft\SystemCertificates
Key	HKLM\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings
Key	HKLM\SYSTEM\ControlSet001\Control\Nls\Sorting\Versions
Key	HKLM\SYSTEM\ControlSet001\Control\Session Manager
Key	HKLM\SYSTEM\ControlSet001\services\crypt32
Key	HKU\.DEFAULT\Control Panel\International
Key	HKU\.DEFAULT\Software\Microsoft\SystemCertificates\...
Key	HKU\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion
Key	HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Key	HKU\.DEFAULT\Software\Policies
Key	HKU\.DEFAULT\Software\Policies\Microsoft\SystemCertificates

"officeclicktorun.exe" process is not a virus. You can terminate "officeclicktorun.exe" process or stop the "Microsoft Office ClickToRun Service". But it may affect Microsoft Office applications.

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