Please try this if it helps.
Uninstall Microsoft Paint app again using PowerShell
Press Windows key + X
Click and Run Windows PowerShell (Admin)
Copy and paste the command below then press Enter
Get-AppxPackage Microsoft.MSPaint | Remove-AppxPackage
After that, open Microsoft Edge
Please try to visit https://store.rg-adguard.net/
In the drop-down list menu on the right side, select Retail
Search for:
https://apps.microsoft.com/detail/9pcfs5b6t72h?hl=en-US&gl=PH
Click the check mark
Download an older version: Microsoft.Paint_11.2512.221.0_neutral_~_8wekyb3d8bbwe.msixbundle (726.88 MB)
Double-click the downloaded file to install
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