An error occurred while resolving packages

i have this issue cause i wanted to install some packages and i tried everything
turned off the firewall and all those setting you guys mentioned but nothing happend

[Package Manager] Done resolving packages in 15.42s seconds
An error occurred while resolving packages:
Project has invalid dependencies:
com.unity.2d.animation: Cannot connect to ‘packages.unity.com’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
com.unity.2d.psdimporter: Cannot connect to ‘packages.unity.com’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
com.unity.2d.spriteshape: Cannot connect to ‘packages.unity.com’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
com.unity.collab-proxy: Cannot connect to ‘packages.unity.com’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
com.unity.ide.visualstudio: Cannot connect to ‘packages.unity.com’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
com.unity.test-framework: Cannot connect to ‘packages.unity.com’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
com.unity.textmeshpro: Cannot connect to ‘packages.unity.com’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
com.unity.timeline: Cannot connect to ‘packages.unity.com’ (error code: ECONNRESET). Verify your environment firewall policies allow connection to this host name. If your system is behind a proxy, verify your proxy environment variables (HTTP_PROXY and HTTPS_PROXY) are properly set.
A re-import of the project may be required to fix the issue or a manual modification of G:/Github/KiboodKibood/Packages/manifest.json file.

Hey there. Have you tried the workaround listed in the pinned thread to totally rule out firewall issues?