Software Cache & Update Error

Hi, I started receiving error while checking my Laptop for updates. When I opened Software Update, and checked for any recent updates, I started getting this message- Screenshot from 2021-12-09 16-15-22

Then, I thought that changing Update Server would fix the problem so I headed to change the Server and after changing server, when I clicked on Refresh Cache, I started getting another error-

Please help me to fix this problem.
Thank you.

It looks like you are having a problem with manually added PPA.
from the list of repository (in Software and update) and try update again.
Mine looks like this:


You added a ppa manually, I think u can remove it. Isn't stacer in the ZorinOs repositories?

1 Like

I just checked. it is in Software, no need to add it manually.


Should I uninstall Stacer and then again Install it from Software Center?

1 Like

I think you should.


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