How to Fix Steam Needs to Be Online to Update (Fatal Error) - Full Tutorial

In this video, I'll show how to fix Steam needs to be onlien to update (Steam fatal error), which prevents Steam from correctly launching. This problem prevents players from playing games on Steam, because the Steam platform is not initializing correctly. Follow all of the steps shown in the video to make sure to fix this problem and also prevent it in the future.

00:00 Steam Config Flush
00:10 Internet Commands
00:49 Steam Folder Attributes
01:09 Steam Folder User Permissions
01:21 Windows Firewall Exception for Steam
01:59 Steam Compatibility Settings
02:18 Steam Downloading Folder Flush
02:35 Steam AppData Files
03:00 System Time Zone
03:23 Steam Folder Refresh
03:41 Windows Update
03:54 Windows Disk Check Tool
04:15 Uninstall & Reinstall Steam

This guide and tutorial will help you fix problems of Steam needs to be online to update (fatal error), and it will help you fix other problems as well.

Right-click on Steam
Click on "Exit Steam"
Press the WINDOWS key or click on the WINDOWS icon
Write: Run
Click on Run
Write: steam://flushconfig
Click on OK

Press the WINDOWS key or click on the WINDOWS icon
Write "cmd"
Right-click command prompt
Click "Run as administrator"
Write: ipconfig /flushdns
Press ENTER
Write: netsh winsock reset
Press ENTER

Open Computer
Open Drive
Open Program Files (x86) [Unless you installed Steam on a different folder]
Select the Steam folder
Right-click it
Click on Properties
Uncheck the option "Read Only"
Click on Apply
Click on OK

Open Computer
Open Drive
Open Program Files (x86) [Unless you installed Steam on a different folder]
Select the Steam folder
Right-click it
Click on Properties
Click on Security
Click on Edit
Click on Users
Check "Full Control"
Click on Apply

Press the WINDOWS key or click on the WINDOWS icon
Write: Windows Security
Click on Windows Securit
Click on Virus & Threat Protection
In Virus & Threat Protection Settings, click on Manage Settings
Scroll down
In Exclusions, click on Add or Remove Exclusions
Click on Add an exclusion
Select Folder
Choose the Steam folder
Click on Select Folder

Open the Steam folder
Select Steam
Right-click on Steam
Click on Properites
Click on Compatibility
Check the option "Run this program as administrator"
Click on Apply
Click on OK

Inside the Steam folder,
Open the Steamapps folder
Select the "downloading" folder
Rename it to anything, we can rename it to "folder"
Close the Steam folder

Press the WINDOWS key or click on the WINDOWS icon
Write: Run
Click on Run
Write: %localappdata%
Click on OK
Open the Steam folder
Delete all of the files inside the Steam folder

Click on the WINDOWS key or press the WINDOWS icon
Write "Date & time"
Click on "Date & time settings"
Click to automatically set the time zone
Click to automatically set the system time
Scroll down
Click on "Sync Now" to synchronize the system time

Open the Steam folder
Delete all of the folders with the exception of "steamapps"
Delete all of the files with the exception of the Steam application