Any extension from Adobe that I downloaded and tried to install via the Extension Manager application would fail with this error. I was able to install downloaded non-Adobe extensions just fine.
Interestingly, I could install extensions into my CC account via the Adobe website: https://creative.adobe.com/addons
I checked and re-checked and I am using the same credentials for the Extension Manager application and the Adobe website.
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Would you please try follow steps:
1. Quit Adobe Creative Cloud , Extension Manager and all Adobe products.
2. Rename opm.db to opm.db.bak in
MAC: /Users/<yourname>/Library/Application Support/Adobe/OOBE
3. Launch Extension Manager CC.
4. Install your extensions.
Please let me know if it does not help.
That seemed to fix the issue. Thanks!
Point number 2 is confusing to me. I don't know where to find ppm.db so I don't know how to Rename that. I also can't find the /Users/<yourname>/Library/Application Support/Adobe/OOBE.
Please help me out. Thanks
Sorry to bring this issue once again, but I've tried your method of renaming the database file twice, to no avail. It keeps telling me licensing cannot be verified. The extensions were downloaded from Adobe Exchange and they are DMXzone Font Awesome, DMXzone Bootstrap and JSP Support. I hope that's all the information you need. Please let me know. Thanks...
Wow! Works perfectly! thanks