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Invalid License Keys

 On booting my computer I get a panel that says 'Invalid License Keys'.  As I have recently renewed my subscription, I import the saved .lic file and the panel goes away, only to reappear next time I boot.  what is happening?

il me manque mon n ° de licence merci de me le transmettre

BJ je n'ai pas mon N° de licence merci de me le transmettre pour installer le produit


If you have this issue appearing stating that an error occured with one or more of your licenses, it may just means that the license server wasn't able to validate your license at a specific time. Just click on the refresh button and it should now be able to validate your license and let you continue using your extensions. 

It shouldn't remove anything from your index unless the validation stay on an error state

works perfect for me - no more issues - same process like Frank B. recommended 

how is this situation resolved? thanks

My problem seemed to be solved by uninstalling Copernic, deleting the whole index (while leaving the custom settings like which files and drives to index on the computer), downloading the newest version als "trial" from the website and activating it with my license keys. Then of course you have to reindex everything, which takes around 3 - 4 days in my configuration with about half a milion files. I have been using Copernic for 2 weeks now without re-entering my registration keys - hopefully it stays that way...

I continue to get an expired or invalid license message every couple weeks which means I have to re-index. This is very inconvenient. My licenses are all valid until April of 2021. I have sent several e-mails to this effect and have received no answers. I attach the most recent message which refers to Microsoft extensions. Other messages refer to all of the extensions for which I have valid licenses.



My license key is not accepted 


Me too

لدي المشكلة الأخيرة ذاتها .. أرجو الحل سريعا

same issue on my side - please advice 


I have exactly the same problem. The error message also states "use the renew link to update"...but there is no "renew link on the error message. Where is it? I have no issue in you protecting your product (a very good product), but not at the cost of annoying your customers that may dread (like me) that they may have to uninstall and resinstall (in my case I have over 400,000 documents indexed so it takes a few days to do that).

Please correct this glitch as this software is expensive enough to expect not to be disturbed by protective measures.

Kind regards

Hi Max,  We've been having similar issues with the server editions clients. We've paid for nine seats for the client version but only 1 key is working.   

Is the registration server still an issue?

I have a support ticket in but I've not had much success so far and my colleagues have been unable to search our server.  I'm the fortunate one with the working client key...



Hi Frank,

Apparently, we have an issue with our registration server right now which is causing problems with online authentication and offline activations too.
We are sincerely sorry for the inconvenience and I wanted to let you know our technical support is currently working hard in order to resolve this issue.

We'll let you know as soon as possible when situation is back to normal so you can retry your authentication online.

If problem still persist after, I'll suggest to contact us through a ticket so we can dig further into this issue with you.

Thanks very much for your understanding. I'll stay in touch to keep you updated!
Kind regards,
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