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Participant
September 22, 2026
Answered

Licensing from the past

I have a serial number for my adobe acrobat 9 pro which is not active and so the program will no longer work.  It was fine last week but now says I have a licensing problem.  Help!

Ben MCorrect answer
Community Expert
September 23, 2026

Did something change on your computer between this week and last? What is the exact error you are receiving? There is this KB article if licensing has stopped working that you can try: https://helpx.adobe.com/creative-suite/kb/error-licensing-stopped-windows.html . 

1 reply

Ben MCommunity ExpertCorrect answer
Community Expert
September 23, 2026

Did something change on your computer between this week and last? What is the exact error you are receiving? There is this KB article if licensing has stopped working that you can try: https://helpx.adobe.com/creative-suite/kb/error-licensing-stopped-windows.html . 

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