This short article will explain what to do if you are seeing the following Steam Error Message: Steam.Exe (Main Exception) to Run Steam You Must First Connect to the Internet. This error is typically shown upon attempting to launch Steam.
- The easiest solution is to temporarily disable the Windows firewall or/and your antivirus preventing any Steam updates.
- You can also create an exception for "Steam.exe" For your firewall/antivirus.
- Once done, simply delete the ClientRegistry.blob file located C:\Program Files (x86)\Steam.
- Launch Steam.