Why am I getting error "0x20020101"?

Issue

Error "0x20020101" when activating Gaaiho PDF products. Activation failed.

Description

There is some problem with the activation data during activation which causes the activation to fail. 

Solution

Option 1:

Please try Offline Activation.

Option 2: 

1. Uninstall all Gaaiho PDF products in your computer
2. Reboot the computer
3. Delete the folders in the following paths ( *see below instruction on how to show hidden folders):
   (Windows 7): “[systemdrive]:\ProgramData\Zeon\Gaaiho\ZNSL”and “[systemdrive]:\Program Files (x86)\Common Files\ZEON”
   
   (Windows 10): "[systemdrive]:\ProgramData\Zeon\Gaaiho\ZNSL" and "[systemdrive]:\Program Files (x86)\Common Files\ZEON" and "[systemdrive]:\AppData\Zeon\Gaaiho\ZNSL"
   
4. Re-install the Gaaiho PDF product
5. Activate the product using the same serial number (read this article if you've reached the activation limit).

* ProgramData and AppData are hidden folders. To show hidden items in your folder, go to "View" and under "Show/hide" check "Hidden items".