I was just going by the fact that you were using screenshots from two different browsers, confusing the issue.
So go turn antialiasing back on: Start > Run > control desk.cpl,,2
Effects > Use the following method to smooth edges of screen fonts: Standard, or Cleartype. Pick whichever looks best to you. I doubt CCleaner changed this.
So go turn antialiasing back on: Start > Run > control desk.cpl,,2
Effects > Use the following method to smooth edges of screen fonts: Standard, or Cleartype. Pick whichever looks best to you. I doubt CCleaner changed this.