Windows Add/Remove Program does not always completely uninstall all software - it can leave program fragments in your registry that cause errors and conflicts with other programs on your computer.
An incomplete Microsoft Windows Malicious Software Tool uninstall can result in program lock-ups, slow PC performance, system freezes, shut down and startup problems, and installation errors.
Fixing the Problem
To quickly and effectively remove all remnants of Microsoft Windows Malicious Software Tool from the Windows registry and optimize your computer performance, it is highly recommended that you download and run PC Cleaner.
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