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What is ct.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the ct.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for ct.exe related errors

Ct.exe file information

Windows Task Manager with ct
Ct.exe process in Windows Task Manager

The process known as Windows Manager Service or SmartService or Windows Management Service

belongs to software Windows Management Service or REOptimizer or HP Learning Adventure or hp learning adventure or NetStream

by Google (toolbar.google.com) or SmartService.

Description: Ct.exe is not essential for Windows and will often cause problems. Ct.exe is located in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 689,152 bytes (28% of all occurrences), 851,968 bytes and 5 more variants. http://www.file.net/process/ct.exe.html 
The application has no file description. The program is not visible. The ct.exe file is not a Windows core file. Ct.exe is able to monitor applications. Therefore the technical security rating is 83% dangerous, however you should also read the user reviews.

Uninstalling this variant: It is possible to uninstall NetStream from your computer using the Control Panel applet Uninstall a Program.

Recommended: Identify ct.exe related errors

External information from Paul Collins:
There are different files with the same name:

Important: Some malware also uses the file name ct.exe, for example Trojan.Win32.Agentb.bqyv or Trojan.Win32.Agentb.icyh (detected by Kaspersky), and BKDR_SCYTI.A or TROJ_SPNV.01D715 (detected by TrendMicro). Therefore, you should check the ct.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

Cool Timer 3.6 also uses "ct.exe" as the name of the executable for the program.
  Dr. T.   (further information)
gehört zu Ashampoo Core Tuner
  Holger B.  
Ashampoo Core Tuner also uses ct.exe. Sometimes shows in Process List as ct.exe *32
  Gnome  
ct.exe may be a simple timer/countdown/stopwatch program called "Cool Timer" from Harmony Hollow Software.
  Bill Davis   (further information)

Summary: Average user rating of ct.exe: based on 4 votes with 4 user comments. One user thinks ct.exe is essential for Windows or an installed application. 3 users think it's neither essential nor dangerous.


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Best practices for resolving ct issues

A clean and tidy computer is the key requirement for avoiding problems with ct. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the ct.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

ct.exe [all]