can't update Sage 2020 to 2020.1 Canadian

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Hello Sagians,

so I tried to update client Sage 2020 o 2020.1 before Christmas, the update ran through OK so it seems until you open up Sage

error message "Sage 50 was not installed completely. Please try reinstalling the program."   

I tried update with firewall off, AV off, all windows updates applied.   Note that I tried this on 2 workstations (Win 10 pro)  and 1 server (Win 2012 R2).  all yield the same error?

thank god I was able to  do a repair back to working 2020.0 version in the control panel (Windows OS)

when I select change repair this warning comes up, just hit OK and repair works

yesterday I downloaded the Jan 6 2020.1 update and ran it manually.  Same error!     I did not try the hotfix because I was paranoid it will do more damage to the already not working 2020.1 update and make things worse possibly screwing up the repair option..  So once again, did the repair to go back to 2020 version

checked all the recent posts, seems like users are able to update OK but can't convert databases etc..   in my case I can't even launch Sage,  strange all 3 system failed to update.

was thinking maybe uninstall Sage completely and reinstall the full Sage 2020 download.  then try 2020.1 update...

hopefully someone here can help.    

Raymond