Stop Command not working (intermittent)

Product: Command & Conquer Remastered
Platform:PC
Summarize your bug I press the Stop Hotkey on a moving unit, and nothing happens, the unit keeps moving.
How often does the bug occur? Occasionally (10% - 49%)
Steps: How can we find the bug ourselves? Mission: Blackout (Faction: GDI) - Select the MCV that spawns in, and press the Stop Hotkey.
What happens when the bug occurs? First Noticed on the GDI Mission 'Blackout' where the MCV appears in the Bottom Right Corner. I tell it to Stop, and sometimes it does what it's told (before it takes damage from the turrets), and sometimes it keeps going on its way to get shot.
What do you expect to see? What should happen is that the MCV Stops, and sometimes it listens to my commands and does so, and sometimes it just wants to get itself shot.

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As someone who enjoys playing this particular Mission, I noticed it right away. I first played the mission 'BLACKOUT' on the PlayStation 1 (Password: COVERTOPS), and have played it a lot of times on the PC (using the Unofficial CnCNet Patch to get a widescreen view). So I know how the mission goes. Since noticing this issue on this particular map, I began testing other maps and Skirmish Mode, and I've found it happens sometimes on them too. Most notably on Red Alert Remaster Skirmish Mode. My Keyboard is not at fault, as the game actually makes a noise to confirm that the key has been pressed.

Frequency of occurrence is around 20%-30%.