Windows Problems Help Center

Tuesday, December 23, 2014

How to Remove Conhost.exe - Delete Conhost.exe Completely

Complains from the computer users about Conhost.exe

I was notified of some malware on my computer.  My antivirus found some Trojans and successfully quarantined them. But I still have a file that keeps popping up - conhost.exe. I understand this is a legitmate Win7 file in some cases, but mine is identified as being found in C:\Users\~\AppData\Local\Temp.

All, just before Christmas the WIN7SP1/system32 conhost.exe started on my PC. It had never been there before, and is causing the PC to slow down. On top various forums suggest that if conhost.exe is running in the systems32 directory, there is a chance that it disguises a key logger. Microsoft offers a hotfix, which doesn't help at all.  Should I get rid of conhost.exe, and if so, how ? Thanks.

Earlier, I installed Outlast. I just finished downloading it. After finished setup, I run the game. OutlastLauncher.exe. An cmd appear and the game open right after that cmd. The game is running pretty slow/lag. I tried to Ctrl + Alt + Delete. Start Task manager, but the task manager closed itself a second later. I opened Task Manager manually from Task bar. I saw conhost.exe is flooding on the process. However, Task manager closed itself, again. Conhost.exe is taking over my CPU, and I'm afraid if my CPU overheats. Why is this happening?  Is this a virus? Please help me.

Brief Introduction about Conhost.exe

Conhost.exe is a executable files of various commands for processor performance that launches various programs and modifies setup applets. While running in MS DOS environment, this file can be accessed by entering a program folder, writing the name of the file you want to access in the Command Line Interface and pressing enter. Since exe. files are used to run programs, they may often contain malicious codes. Conhost.exe is associated with these threats: 

Once the Conhost.exe gets into your computer, it will change the computer system setting like registry entries, system files and start up setting. Once you start the computer, it will run at the background automatically without your permission. With a lot of processes running at the task manager, it will eat up the system resources to slow down the PC performance in a large scale. It will make your computer run wearied. Besides, it is capable to exploit the system loopholes to allow other viruses to get into the targeted computer. It is suggested to scan your computer with a powerful antivirus program like Spyhunter to check out the problem and remove viruses.  

Conhost.exe Removal Guide

Guide 1: To manually delete all its related items like the steps showed below

a: Get into the safe mode with networking

<Restart your computer. As your computer restarts but before Windows launches, tap "F8" key constantly. Use the arrow keys to highlight the "Safe Mode with Networking" option, and then press ENTER>

b: Stop all the related processes of Conhost.exe

Press Ctrl+Alt+Del together to open Task Manager -> click on processes and tick Processes from all users box -> click on End Process to end all processes 

c: Open Control Panel from Start menu and search for Folder Options.

When Folder Options window opens, click on its View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then press OK.

d: Delete all the related registry entries 

Press Windows+R to launch Run…-> type Regedit into Open box and click OK to open Registry Editor-> find out all registry entries above and delete them

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "Conhost.exe " = "%AppData%\<random>.exe"
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run "Conhost.exe " = "%AppData%\<random>.exe"

e: Remove infected files  


C:\Program Files\<random>

Guide 2: To safely and automatically uninstall it with SpyHunter

SpyHunter is a world-famous real-time malware protection and removal tool, which is designed to detect , remove and protect your PC from the latest malware attacks, such as Trojans, worms, rootkits, rogue viruses, browser hijacker, ransomware, adware, key-loggers, and so forth. To keep SpyHunter Anti-malware on your computer is an important way to protect your computer in a good condition. Please find the instruction as follow.

Step 1: Click the icon to download SpyHunter.

Step 2: Click to Run the file.

Step 3: After installation, click Start New Scan to find out potential threats.

Step 4: Select All and Remove all reported threat.


Guide to download RegCure Pro to optimize PC 

If you are still worried about the left over of Conhost.exe and want to clean all the unwanted registry entries,  it is recommended to use RegCure Pro. RegCure Pro is packed with the tools you need to boost your PC’s speed and performance. Featuring an intuitive interface and easy-to-use work flow, RegCure Pro scans common problem areas – and quickly and safely fixes them. As well, it has several tools and features to address other performance and computing issues.

Step 1. Install and launch RegCure Pro on your PC.

Step 2.  Click "Yes" to download and install RegCure Pro.


Step 3. Click "Next" to continue.

Step 4. RegCure Pro will open automatically on your screen.

RegCure Pro

 Step 5. RegCure Pro is scanning your PC for error.

 RegCure Pro2

Step 6. After scanning, choose the issues you want to fix. 


Conclution: Manual removal Conhost.exe is a very complex and difficult process. If you don’t have sufficient expertise in dealing with the manual removal, Install Spyhunter can be your better choice. It is capable of auto-detecting and removing viruses. You can also Download RegCure Pro to help you remove unneeded registry files and optimize the computer.

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