Gaaiho PDF Suite 5 crash /Gaaiho Doc has stopped working during activation - Windows 10

Problem description：

Gaaiho PDF Suite 5 Crash/not respond/Gaaiho Doc has stopped working during activation.

Causes：

Incompatible with the new Window 10 "version: 1809". You may encounter this issue if your Windows OS is updated to version: 1809.

Solution：

1. 1. Run > services.msc > stop Gaaiho License Service
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   2. go to "bin" folder (under C:\Program Files (x86)\ZEON\Gaaiho\Gaaiho PDF Suite\bin) and replace the old GZNSL9UI.dll file with the attached new "GZNSL9UI.dll" file:
      
   3. at Services, restart Gaaiho License Service
   
   This should solve the app crash problem during activation. Please contact us at support@gaaiho.com if you are still having trouble with license activation.
   (This issue will be fixed in Gaaiho PDF Suite 5.2 and later versions)