While one can always easily uninstall Microsoft Security Essentials from the Control Panel, should you find that your are unable to uninstall Microsoft Security Essentials, you may try to uninstall it manually or by using a Microsoft Fix it solution.

To know about the detailed steps required to uninstall MSE manually visit Microsoft KB2435760.

Important: But do check up the version of MSE installed on your computer first and do not use this KB articles for Beta versions or versions that begin with the numeral 2.

lternatively, if you find this task too daunting, simply download and use Microsoft Fix It 50535 to let it force uninstall Microsoft Security Essentials for you.

Microsoft Security Essentials Restore Tool

Microsoft Security Essentials has risen in popularity ever since initial betas were released to the public. Microsoft recently made available a beta of the upcoming Microsoft Security Essentials 2 suite, and many experts expect the final version to increase the popularity and acceptance of the security software further.

It may happen that users experience problems with the program, most likely after an upgrade or virus attack. Some Windows users have reported that the Security Essentials service is not starting on their system, others that the program itself wont  startup properly.

The MSE Restore Tool is a lightweight portable program that tries to repair Microsoft Security Essentials so that the program will run as planned on the system.


The restore tool performs four steps, which are outlined below:

1. It executes Microsoft Security Essentials with the restore defaults parameter to restore all settings to factory defaults, this is done with the command MsMpRun.exe -RestoreDefaults
2. It restarts and restores the Microsoft Antimalware Service
3. The repair tool registers all Dynamic Link Libraries that are used by Microsoft Security Essentials
4. The software restores all relevant Windows Registry entries related to Microsoft Security Essentials

The software works similar to the app Repair Microsoft Security Essentials tool Fix MSE.

The MSE Restore Tool requires elevated rights to repair Microsoft Security Essentials. It is furthermore only compatible with version 1.x of Security Essentials, and not the recently released 2.x beta.

The minimalistic interface displays two options, to restore Microsoft Security Essentials or to exit the program. A click on Restore Microsoft Security Essentials now will complete all four restoration steps outlined above.

MSE Restore Tool v1.0
Repair Microsoft Security Essentials using MSE Restore Tool v1.0.
To download MSE Restore Tool v1.0, click this link: Download MSE Restore Tool v1.0 now.
Documentation for the tool is available in PDF, to download click this link: Documentation for MSE Restore Tool v1.0.

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