

After this message appears, the CheckSUR.log shows information that resembles the following: This is because the tool does not carry the correct versions of the replacement files. If you receive an Unavailable repair files message, this indicates that some of the inconsistent files that the tool found cannot be fixed. If you are still experiencing errors, you have to troubleshoot the specific error message to find the root cause of the failure. In this scenario, you should no longer have any servicing corruption on your computer. If CheckSUR fixed all the errors that it found, the CheckSUR log shows the following information: To use the CheckSur log, follow these guidelines: To to this, see Fix Windows Update errors by using the DISM or System Update Readiness tool. *Your PC must run genuine Windows to install Microsoft Security Essentials.Make sure you download and run the most recent version of CheckSUR.exe because the tool is updated periodically. Operating System: Windows XP Service Pack 3 (SP3)* Windows Vista (Service Pack 1, or Service Pack 2)* Windows 7*įor Windows XP, a PC with a CPU clock speed of 500 MHz or higher, and 256 MB RAM or higher.įor Windows Vista and Windows 7, a PC with a CPU clock speed of 1.0 GHz or higher, and 1 GB RAM or higher.Īn Internet connection is required for installation and to download the latest virus and spyware definitions for Microsoft Security Essentials. Minimum system requirements for Microsoft Security Essentials Running more than one antivirus program at the same time can potentially cause conflicts that affect PC performance.

Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and always kept up-to-date so you can be assured your PC is protected by the latest technology.īefore installing Microsoft Security Essentials, we recommend that you uninstall other antivirus software already running on your PC. Once you click on the “Download” button, you will be prompted to select the files you need. Note: There are multiple files available for this download. Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.
