Windows 10: Swiping from the left erases words in Word, leaves symbols elsewhere!

I have had an utterly bizarre problem ever since I upgraded to Windows 10, and it persists now after the Windows 10 update. My computer is a Lenovo Ideapad, with an Alps touchpad. Here's the issue:

If I unintentionally swipe across the touchpad from the left as I begin to use it, it will (silently!) erase whatever word is just behind the cursor. That's in Microsoft Word. If I'm in another application -- say Notepad -- it will instead leave one of those little rectangular boxes that indicate a character that won't display.

I haven't seen any discussion of this problem anywhere. All my drivers are updated. The system claims to be entirely current. And yet this maddening bug persists.

Anyone know how to fix this? Or work around it?

Thanks,
TR

:)

 

How Do I Add A Word to the Suggested Dictionary?

Simply type the word into a text message or email followed by a space or punctuation mark. The unknown word will appear with a red underline. Tap the word, and you will get the word appear in your suggestion bar with a '+' symbol to the left. Tap the word
in the suggestion bar to add the word to your dictionary.

 

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