uiAutomation package installation error

Previously I have uninstalled the UiAutomation package mistakenly from my project. After that I have tried several times to reinstall that package again but its prompting so many errors. I thought that coursed because of some firewall blockings. Therefor I have requested and got direct internet access from the infrastructure team. It is also failed with the same error. then I tried to upgrade system activities package to see if this is happening to this package also. also the same error occurred to that package. I’m not able to solve this process. Need your argent support on this matter. Failed screens attached below.

Hi @Harsha_Madhushan

Could you show us a screenshot of the package feeds that you have active in your Package Manager settings? (the ones with a checkbox checked).

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Please find the below package manager setting feed screens

I can see that you have the old Studio version:

Could you try updating to 20.10 and see if that fixes the issue?