ShadowUser – VSMVHK.DLL

Vsmvhk.dll installs with a program called ShadowUser by ShadowStor. This security program promises to protect you from unwanted changes to Windows by spyware, malware, viruses, trojans, and worms. It can remove tracks from your browser's history and cache. It also allows you to test-install software and to allow multiple users to use one system without problems when settings are changed.

More information can be found at http://www.shadowstor.com/products/ShadowUser/. If you use this program, leave this file in place. If your computer is in a workplace setting, don't remove this file without checking with your IT professional.

Safe

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