Close Origin - make sure it is completely closed and not just in the task bar. Right-click the icon in the task bar and choose "Exit". Do a ctrl-alt-delete, choose task manager and close the application from there if it exists. Then try these steps
- Reboot your router/modem
- Make certain anti-virus and firewall have Origin and SimCity listed in their exception lists
- Set Origin and SimCity to Run As Administrator.
- Set SimCity to Run in Windows 7 Compatibility mode (right-click the desktop shortcut, choose properties-compatibility)
- Disable Origin in-game (in Origin, right-click the SimCity game icon, choose Game Properties and click the box that says "Disable Origin in-game for this game"
These next steps, you don't need to do every time you start the game, just try each once to see if they work:
I. Disable UAC:
- Press the Windows key and X.
- Click on Control Panel.
- In the search box, type uac, and then click Change User Account Control settings.
- To disable User Access Control:
- Move the slider to the Never notify position, and then click OK.
- If you're asked for an administrator password or confirmation, type your password or provide confirmation.
- You will need to restart your computer for UAC to be turned off.
- Once you've restarted, launch your game.
- Let it run for a few minutes and then exit out of the game.
- Search for uac again and hit Enter.
- To re-enable User Account Control:
- Move the slider to choose when you want to be notified, and then click OK.
- If you're prompted for an administrator password or confirmation, type your password or provide confirmation.
II. Perform a clean boot, then run the game. If it works, then enable each startup program until you find which one is incompatible and blocking the game.
III. Run a repair on SimCity Open Origin, Right-click the SimCity icon and choose "Repair Game"
IV. Use SimCity Recovery tool. \Program Files (x86)\Origin Games\SimCity\SimCityRecovery\SimCityRecovery.exe. Be patient, this is a targeted reinstall of the game and can take a while to complete.