sidebar.exe is a program which is probably NOT a virus. So, if sidebar.exe is on your computer, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, we still advise you to use a good antivirus with a good track record, in order to yourself your system against threats.
Normally, this application is found in C:\Program Files\Windows Sidebar\sidebar.exe.
The MD5 fingerprint for this file is e3bf29ced96790cdaafa981ffddf53a3.
This application is NOT registered as a Windows service. This is very good.
sidebar.exe seems to have something to do with Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This application can put to good use the full power of a modern PC processor.
The description stored in the exe is Windows Desktop Gadgets.
File version 6.1.7601.17514 (win7sp1_rtm.101119-1850).
Publisher Microsoft Corporation.
Intellectual property rights notice © Microsoft Corporation. All rights reserved..
sidebar.exe appears to have visible windows. This means it doesn't work in a kind of stealth mode. Its activity is clearly shown to you.
sidebar.exe is digitally signed. Nowadays the large majority of clean programs are digitally signed.
The digital signature extracted from sidebar.exe is valid. This is most likely a clean, ok program.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This application starts at Windows startup. Yes
This executable does NOT have a removal routine set up in registry.