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What is calc.exe?

The genuine calc.exe file is a software component of Microsoft Windows Operating System by Microsoft.
Included in every release of Microsoft Windows, Calc.exe is a calculator application. Older versions of Windows have a more simple interface, while Windows 7 and higher include a more robust calculator with scientific functions included. Founded in 1975, Microsoft's flagship product is the Windows operating system, which is installed on over 90% of workstations worldwide.

Calc stands for Calculator

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 calc.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 calc.exe related errors

Calc.exe file information

Windows Task Manager with calc
Calc.exe process in Windows Task Manager

The process known as Windows Calculator application file or Windows Calculator belongs to software Microsoft Windows Operating System by Microsoft (www.microsoft.com).

Description: Calc.exe is an important part of Windows, but often causes problems. The calc.exe file is located in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 776,192 bytes (90% of all occurrences), 816,128 bytes or 798,720 bytes. http://www.file.net/process/calc.exe.html 
The calc.exe file is a Windows core system file. Calc.exe is a Microsoft signed file. The program is not visible. Therefore the technical security rating is 2% dangerous; however you should also read the user reviews.

Recommended: Identify calc.exe related errors

Important: Some malware camouflages itself as calc.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the calc.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

Windows Calculator
   
not dangerous at all, windows calc.
   
I agree windows does have it but there's also a virus with the same name.
  Thanidu  
;D calc.exe ist ein Taschenrechner, den es schon ewig in Windows gibt, kein Virus, keine Gefahr für die Registry
  The_John1999  
Kein Problem, keine Gefahr für Windows, nur der Taschenrechner
  cr  
100% confirmed virus. This has infected all of my computers and I don't know how to get it off. Deleted SYSTEM32 three times now and it just won't go away!
  lachlan burton  
Calc.exe is just the Calculator, but I'm not denying a virus might be disguised as Calc.exe
  Bryce  

Rating chart

Summary: Average user rating of calc.exe: based on 7 votes with 7 user comments. 3 users think calc.exe is essential for Windows or an installed application. 2 users think it's probably harmless. One user suspects danger. One user thinks calc.exe is dangerous and recommends removing it.


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Best practices for resolving calc issues

A clean and tidy computer is the key requirement for avoiding problems with calc. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the calc.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

calc.exe [all]