PDF not running - Event ID 1000 Error

Hello,

Please help me with the concern I encounter PDF Issue.

1. I always encounter this error I cannot properly use my Adobe Acrobat PDF reader due to event ID 1000.
2. When I encounter this error I need to reinstall my Adobe Acrobat.
3. Always losing the default program of PDF.
4. When Someone sends a PDF file to my Viber I automatically encounter this error.
5. I already make  adjustment that need to do but still encountering the error.