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What is conhost.exe?

Part of Betriebssystem Microsoft® Windows® by Microsoft

What is it?

conhost.exe is the new host process for console windows. Previously those were handled by csrss.exe which is the “Client Server Runtime Process”, a process running with system-level privileges. Starting with Windows Vista, Microsoft made some very substantial improvements and changes in regard to security. One of those changes was that applications running in different “levels” or as different users weren't allowed to exchange data freely.

What if I disable Betriebssystem Microsoft® Windows®?

The conhost.exe process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.
Description of conhost.exe from Microsoft
ConHost (Console Host) runs in the same security context as its associated console application. Instead of issuing an LPC request to CSRSS for message-handling, the request goes to ConHost. As a result, any attempts to exploit the message-handing code of the application will not result in an automatic escalation of privileges.
(conhost.exe is a system file that is installed with Windows)
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How does conhost.exe run?

Process - conhost.exe is an instance of a running program. This 32-bit program executes with the privileges as the currently logged in user account. conhost.exe is executed by the process csrss.exe (Client Server Runtime Process by Microsoft).


What is the community is seeing?What is the community is doing?
About 0.5% of all Boost users have the conhost.exe process running.Of the 0.5% of conhost.exe users, less than 1% have disabled it.
How stable is Betriebssystem Microsoft® Windows®?
Based on crash data discovered by Boost, stability is a measure of how sound this particular process and the average percent of times it crashes.
Typical program1.26%
How resource intensive is conhost.exe?
Comparison based on the average resource utilization across all programs.
0.00038% CPU3839.4%
Average CPU utilization across all programs is 0.00001%.
     985.76 KB RAM4.5%
Average private memory utilization across all programs is 21.53 MB.
 1 /min0.0%
Average I/O read and write operations for all programs is 2,253 per minute.
              20 GDI objects13.3%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:

What else is related?

Betriebssystem Microsoft® Windows® Stability

conhost.exe crashes or has encountered a critical error 0.8900% of the time.
Error: Stopped working (APPCRASH)
Occurred: over 6 months ago

What Windows OS versions does this run on?

Windows 7 Enterprise (6.1.7601.65536)
Windows 7 Home Basic (6.1.7601.65536)
Windows 7 Home Premium (6.1.7601.65536)
Windows 7 Professional (6.1.7601.65536)
Windows 7 Starter (6.1.7601.65536)
Windows 7 Ultimate (6.1.7601.65536)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: conhost.exe
Publisher: Microsoft Corporation (verified)
Name: Betriebssystem Microsoft® Windows®
Description: Host für Konsolenfenster
Version: 6.1.7600.16385 (win7_rtm.090713-1255)
Product version: 6.1.7600.16385
Size: 265 KB
Original file name: CONHOST.EXE.MUI
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0027790562%
Privileged CPU: 0.0023951166%
User CPU: 0.00038393968615%
Privileged CPU time: 62475.29 ms
Privileged CPU time /min: 110 ms
CPU cycle count: 330,676,901
CPU cycle count /min: 4,894,844
Memory utilization averages
Committed memory: 33.09 MB
Peak committed memory: 35.02 MB
Paged memory: 985.76 KB
Peak paged memory: 1016.96 KB
Paged system memory: 66.66 KB
Non-paged system memory: 2.69 KB
Working set memory: 1.59 MB
Peak working set memory: 3.23 MB
Min working set memory: 1.52 MB
Private memory: 985.76 KB
Page faults: 2,357
Page faults /min: 77
Process I/O averages
Total read operations: 6
Read operations /min: 1
Total read transfer: 25.99 KB
Read transfer /min: 90 Bytes
Total other operations: 167
Other operations /min: 3
Total other transfer: 994 Bytes
Other Transfer /min: 14 Bytes
GUI Object Averages
GDI objects: 20
Peak GDI objects: 22
USER objects: 5
Peak USER objects: 5
Handle count average: 63
Thread count average: 1
Thread resource averages

Process details

Runs as (owner): User
Integrety level: System
Windows platform: 32-bit
Parent Process
Process Commands
\??\C:\Windows\system32\conhost.exe "460168749-1424822484-134419984119458748821294511034-1704922330-755171902-2007379552
\??\C:\Windows\system32\conhost.exe "-141969765575161524-3807264731432259758424060861-198145925-5670140621291038786
\??\C:\Windows\system32\conhost.exe "-1000840609435280368947465892-1853193469-15905235102084179289-2048785763-212949259
\??\C:\Windows\system32\conhost.exe "-1492430241-781710599-530656978-2206297-1367072526-794036681-472049427217571158
\??\C:\Windows\system32\conhost.exe "49908942221155934712343638466322300641036705220476470021275808899434722578

Image hashes

MD5: 47005361ff2a479a0554f352266baed3
SHA-1: 879c8eb65355fbf8b810b9b455cb9a9abf66a075
SHA-256: 128f49a9e4f6073e53cbbafc999cdd34af9b0cef817673eac1946330bc7a95a8

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++
File packed: No
Import Table
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