Cisco Packet Tracer requires user authentication.

A NetAcad account is required to sign in when you launch Cisco Packet Tracer. The following screen allows to login into such user account.

Account Login Page

Pressing the login button in the above form would launch an external web browser, where the user can proceed with their login.

Alternatively, one can use "Advanced Settings" link, in the above login form, in order to direct login process to use the internal web browser built into Cisco Packet Tracer in order to perform the login. This link opens up a form where one can enable the use of the internal web browser, as shown below.

Account Login Page

Fix Dead Space 3 3.55 [2027]

After the fix, use the "Disable Internet" toggle before launching. The game sometimes phones home to EA and re-checks firmware. Got a different error? Leave the exact code below – the 3.55 scene is old but not dead. 🔧

Here’s the good news: The game does work. The bad news? Sony and EA specifically patched it to break on 3.55. Fix dead space 3 3.55

Updated: 2025 – tested on Rebug 3.55.4 After the fix, use the "Disable Internet" toggle

If you’re running a CFW 3.55 (Kmeaw, Rebug, or Rogero) and trying to play Dead Space 3 , you’ve likely hit the infamous wall: Black screen on boot, or an immediate "Failed to load" error. After the fix

The “Keep me logged in” feature is designed to give you access (for 3 months) to Cisco Packet Tracer without needing to re-enter your credentials each time. Using the “Keep me logged in” feature is only recommended for private computers.

If you are using a public or shared computer, you should NOT use the “Keep me logged in” option or you should ensure that you Logout before closing Cisco Packet Tracer to prevent other users of the computer gaining access using your credentials