How do I resolve Error Code “0x20022022” and keep my license from reverting to Trial Mode?

Solution 

Error Code “0x20022022” typically occurs when a license becomes invalid due to hardware or system changes, such as replacing a hard drive, cloning a disk, or modifying the system environment.

If the issue is not resolved properly, the software may fail periodic license verification and eventually revert to Trial Mode.

Step 1: Release Your License

Before reinstalling the software, you must first deactivate your existing license to free up the activation slot.

• Users with 10 or more perpetual licenses:
  Please use Enterprise License Management to deactivate the license manually.
• Other users:
  Please contact our Customer Support team. We will manually deactivate the license and confirm the status for you.

Step 2: Complete the Reinstallation Procedure

Once the license has been released, please complete the following steps in order.

1. Uninstall the Software
   Completely uninstall all Right PDF or Gaaiho PDF related software from your computer.
    
2. Manually Delete Residual Folders
   Go to the following paths and delete the specified folders.
   
   Note: If you cannot find these folders, open File Explorer, select the View tab, and enable Hidden items.
   
   Windows 7
   [systemdrive]:\ProgramData\Zeon\RightPDF (Gaaiho)\ZNSL
[systemdrive]:\Program Files (x86)\Common Files\ZEON
   
   Windows 10 / 11
   [systemdrive]:\ProgramData\Zeon\RightPDF (Gaaiho)\ZNSL
[systemdrive]:\Program Files (x86)\Common Files\ZEON
[systemdrive]:\Users\[Username]\AppData\Roaming\Zeon\RightPDF (Gaaiho)\ZNSL
    
3. Restart Your Computer
   Restart your computer to ensure that related system registry entries and temporary information are fully cleared.
    
4. Reinstall the Product
   Install the specific version of Right PDF or Gaaiho PDF that corresponds to your license.
    
5. Reactivate the License
   Launch the software and go to: Help > License Information > Activate > License Code > Online
   Enter your license code to complete the activation process.