0×80070005 FIX will simply attempt to repair the dreaded 0×80070005 error messages when trying to register dll files while installing certain Windows components or programs.
Sometimes you will not get this specific error number, but just an Installation Failed message. This tool will in most cases also repair these errors, for example: Internet Explorer 7 installation failure. It will accomplish repairing these errors by restoring your computer to the original installation default security settings.Because restoring your security settings to its defaults can’t be undone, 0×80070005 FIX will automatically create a System Restore Point for you.

Installation
0×80070005 FIX is fully portable, meaning that it requires no installation and can be run directly from a USB flash disk. It also writes absolutely no settings to the Registry or the user’s folder. It is a very simple utility and, for this reason, does not demand any installation utility. Simply unzip all files to any folder and run the executable file (usually, 0×80070005.exe).

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If you do not have any 0×80070005 errors or Installation problems, do not run this tool, it will be unnecessary.