This is an unfortunate side effect of high-dpi systems.
It's addressed in adbLink 2.06 (not released yet), but this workaround may help:
Create a system environment variable: QT_AUTO_SCREEN_SCALE_FACTOR=1
On Windows 7,8, and 10 you can do this by pressing the windows icon and typing
"environment". Choose "Edit the system environment variables" (this works in both system or
user environment variables).
On the window that appears, click the "Environment Variables" button and then click
"New". Input QT_AUTO_SCREEN_SCALE_FACTOR for the variable name, and 1 for the variable value.
If you created this variable in the user variables, you will have to log out, and log in
for this change to take effect.
If created in the system variables, you must restart the system.