@PeachySimmssThere can be many reasons for this,
1. First Origin.
Check if your Origin is up to date also clean Origin cache:
https://help.ea.com/en-us/help/faq/clear-cache-to-fix-problems-with-your-games/Next step is to reinstall Origin using Revo (free version) - it will be clean all traces of bugged Origin from your computer
https://www.revouninstaller.com/revo-uninstaller-free-download/and install again
http://origin.com/download2. Second - your game folder
It is possible that your connection configuration with Gallery is damaged in your game folder. In that case, you should do a factory reset of the game folder.
Go to Documents/ElectronicArts - inside will be The Sims4 folder
Step 1. Rename The Sims4 folder to "The Sims4 old"
Step 2. Fix the game in Origin
You have to wait until Origin will fix all packs, not only the base game.
Step 3. Turn on the game - a new game folder will be created and you will have two - one old, one new
Step 4. Check if you still have this problem in the newly created game folder
If the problem disappeared
Step 5. Delete in the new game folder following folders:
"saves" and Tray.
Step 6. Go to "The Sims 4 old" folder and copy - your "saves " folder.
Step. 7, Paste this folder in a newly created game folder.
Step 8. Do the same with Tray folder
Step. 9 If all is OK - delete The Sims4 old folder. Now you will have only one game folder which- I hope - is working properly.
You can also look here but this tip is from a month ago and there have been two Origin updates since then
https://answers.ea.com/t5/Technical-Issues-PC/can-t-connect-to-internet/m-p/8149948#M1495333. Last Windows update
The names of these options may be different for you because I don't have the English version of Windows.
1. Go to "All settings", then click the "rendering" tile:
2. "Game bar" - check if you have it turned off, if not turn it off.
- underneath - a white square with the inscription: "Open the game bar with this button on the controller" disabled (only for Xbox).
3. "Photo"
- the "Register in the background during the game" option should be turned off,
- "Record sound when registering game" is to be disabled.
- "Recorded video" option> frame rate - 30 fps (recommended) - enabled
- "Recorded video" option> frame rate - 60 fps - disabled
4. "Game mode" - to be turned off.
Personally, I think it is the game folder files that are to blame. Maybe you have too many things in the Tray folder.
Bay the way: - a comment on your video made me laugh: "one eternity later"... sometimes to really looks like it :D
I don't work for EA