I cannot call targets in what I consider the "regular way". (Holding CTRL and pressing SPACEBAR.)
I think I know the reason why, though, but have no solution for it. That's where you friendly people come in!

When I press enter to type something into chat, there is an upper-case 'A' to the left:


I was wondering, "What in the world is this from?" Recently, this laptop had two HDDs replaced due to them going bad a few months after purchasing the laptop. The manufacturer (ASUS) blamed themselves, for some type of faulty software or something similar.
Anyway! I noticed this:

The Language Bar is in Region Settings of Windows 7. I removed the keyboard settings of CH Chinese (Traditional, Taiwan) but it never went away. I know it's a Microsoft-related issue but I can't see paying $50 for one phonecall to them. (Their support site is expensive!)
Also, it keeps switching to Chinese. I can't get rid of it, and would rather leave the computer registry alone.
The settings seem to be whenever I press CTRL and SPACEBAR, the 'A' reappears after I'm able to get rid of it from just fiddling around. (I don't remember how I get rid of it - lol. I'd rather get rid of it more permanently than having to not press CTRL. The 'A' appears as 'CHI' in other games, like Steam games such as L4D2 and CSS.)
I sincerely apologize if it seems confusing, but there's really no way to explain it. I'll add whatever information you need, since I really don't know what to put.
Thank you so much in advance.