Windows Search/Outlook doesn't index properly

Windows Search/Outlook doesn't index properly

Go to C:\ProgramData\

Right-click on the Search folder

Select Properties

Select the Security tab

Click "Advanced"

Click "Change permissions" (this requires a UAC prompt)

Check the "Replace all child permission entities..." box at the bottom of the screen.

Apply changes.

Things should start indexing properly, checking Outlook is a good way to make sure.