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Program info

Estimated safety rating


calc.exe is a application which is probably NOT a virus or malware. So, if calc.exe is on your laptop or desktop computer, it is probably ok, and will NOT cause problems. Even if your system is clean, it is still recommended to use a well-known antivirus with a good track record, in order to defend your PC against potential security problems.

Executable file path


This program is usually found in C:\Windows\System32\calc.exe.

MD5 hash of the executable file


The MD5 checksum for this executable is 10e4a1d2132ccb5c6759f038cdb6f3c9.

Is running as a service


This application does NOT run as a Windows service. This is usually a good sign.

Belongs to the operating system


calc.exe appears to use the functions of Windows SFC (System File Checker) or Windows File Protection.

Is a 64 bit executable file


This is a 64-bit executable. It uses the full capacity of modern computer processors.

File description

 Windows Calculator

The description extracted from the program is Windows Calculator.

File version

 6.1.7601.17514 (win7sp1_rtm.101119-1850)

File version extracted from the file 6.1.7601.17514 (win7sp1_rtm.101119-1850).


 Microsoft Corporation

Company name Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Copyright notice © Microsoft Corporation. All rights reserved..

Has valid windows


calc.exe appears to have visible windows. This means it doesn't operate in some kind of stealth mode. Its activity is clearly shown to you.

Digitally signed


calc.exe has a digital signature. Nowadays most clean programs are digitally signed.

Valid digital signature


The digital signature found in calc.exe verifies as ok. This is most likely a clean, ok program.

Certifier name

 Microsoft Windows

Digital certificate name: Microsoft Windows

Issuer name

 Microsoft Windows Verification PCA

Certificate's issuer name: Microsoft Windows Verification PCA

Can be uninstalled


This executable does NOT have an uninstall command set up in registry.