PC has been running very slow, ran a diagnostic and found these missing programs Q931906,Q914455, Q920813, Q921598, Q924085, Q934181, Q936048, Q940602, Q943973, Q973924, where can I get these downloaded and how?

PC has been running very slow, ran a diagnostic and found these missing programs Q931906,Q914455, Q920813, Q921598, Q924085, Q934181, Q936048, Q940602, Q943973, Q973924, where can I get these downloaded and how?Some of the articles you list are several years old; others are for somewhat obscure fixes.What version of Windows do you have installed, including service pack?What version of Microsoft Office do you have installed, including service pack?The best thing for you to do is to go to Microsoft Update and let it check your system for necessary updates.If you want to live dangerously and download only the specific items you listed, go tohttp://support.microsoft.com/kb/xxxxxxreplacing the x's with the 6-digit number (omit the Q).