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Program info

Estimated safety rating


installer.exe is a program which is probably NOT a virus. So, if installer.exe is on your computer, it is probably ok, and will NOT cause problems. Even if your PC is clean, we still advise you to run a good antivirus with a good detection rate, in order to yourself your PC against viruses and malware.

Executable file path

 C:\WINDOWS\Temp\opera autoupdate\CProgram Files (x86)Opera\installing\installer.exe

Usually, the default name and directory where this program is stored is
C:\WINDOWS\Temp\opera autoupdate\CProgram Files (x86)Opera\installing\installer.exe.

MD5 hash of the executable file


The MD5 fingerprint for this program is 23957cec7c21be507f2e52c5cd759081.

Is running as a service


This program does NOT operate as a Windows service. This is normally a good sign.

Accesses the internet


This application uses the net to communicate. In this day and age this is quite normal. For example, most of the programs on your computer check for updates. For this, Internet communications are required.

Is a 32 bit executable file


This executable runs in 32-bit mode. It does not exploit the full set of features of modern computer CPUs. This ordinarily happens because the publishers did not bother to upgrade it to 64-bit code.

File description

 Opera Installer

The description written in the file is Opera Installer.

File version


File version stored as a property 43.0.2442.991.


 Opera Software

Company Opera Software.


 Copyright Opera Software 2017

Legal copyright notice Copyright Opera Software 2017.

Digitally signed


installer.exe has a digital signature. Today most legit programs are digitally signed.

Valid digital signature


The digital signature extracted from installer.exe is valid. This is very good.

Certifier name

 Opera Software AS

Digitally signed by: Opera Software AS

Issuer name

 DigiCert EV Code Signing CA (SHA2)

Certificate's issuer name: DigiCert EV Code Signing CA (SHA2)

Can be uninstalled


This executable does NOT have an uninstall command stored in registry.