Description of the Issue

If you have set in your Windows settings the Scaling to 125% to and want to change in Notepad++'s Preferences → Auto-Completion the number of characters, nothing can be entered.

Steps to Reproduce the Issue

1. Open Windows settings → Display Scaling and set to to 125%
2. Open Notepad++ Settings → Preferences → Auto-Completion
3. Click on number in 'From 1 th character'
4. Enter 2 or 3
5. No number is shown
6. Setting can not be done

Expected Behavior

Number can be entered

Actual Behavior

Number can not be entered

Debug Information

Notepad++ v7.8.7 (32-bit)
Build time : Jun 5 2020 - 02:34:28
Path : C:\Program Files (x86)\Notepad++\notepad++.exe
Admin mode : OFF
Local Conf mode : OFF
OS Name : Windows 10 Enterprise (64-bit)
OS Version : 2004
OS Build : 19041.329
Current ANSI codepage : 1252
Plugins : ComparePlugin.dll Explorer.dll HTMLTag_unicode.dll JSLintNpp.dll JSMinNPP.dll LanguageHelp.dll mimeTools.dll NppConverter.dll NppExec.dll NppExport.dll NppFTP.dll NppRegEx.dll NppTextFX.dll RunMe.dll Tidy2.dll XMLTools.dll