Most users should already be set to MAPS Basic, but while we're in there we're going to set it to MAPS Advanced to assure the highest protection.
Java is not needed for any modern reason other than obscure software and people who install Minecraft mods. Make sure Flash is the latest version for Internet Explorer and Firefox by opening that link in each browser.
All these tasks have been performed by me or my scripts across tens, hundreds, or over a thousand computers. If you are updating a Windows 7 computer that's been off for a year, or installing from scratch, there are known issues.
It's important you did the complete IE reset earlier, as I'm assuming everything's back to defaults. Turn add-ons back on Resetting Internet Explorer disables all add-ons, including things like Adobe Reader.
The only reason to have Flash installed is if the user insists on using Firefox. I recommend Adobe Reader DC as opposed to other PDF readers because it silently updates and is 100% compatible with anything the user will do.
The only reason to have Flash installed is if the user insists on using Firefox. Microsoft Edge reads PDF files, and Chrome has a reader built-in for web documents, so unless the user needs to interact with editable PDF forms, there's no reason to install a dedicated PDF reader.
This is a guide to problem resolution and maintenance for Windows 7 and higher.
It will also remove many viruses and repair their damage.