Sunday, 12 August 2012

How To Fix Error 619: A Connection to the Remote Computer Could not be Established (Modem Error)

Today morning while trying to connect to Internet using my USB Modem, I received following error message "Error 619: A Connection to the Remote Computer could not be established, so the port used for this connection was closed. " According to Microsoft support, error 619 can occur if your computer has any third party programs that is not releasing the Winsock stack after any type of Internet activity
. Some examples of this kind of programs are Download Accelerator Plus and Zone Alarm. Some support forums tell another possibility which causes error 619. It is the registry error caused by improper uninstallation of previously installed programs in our computer. They recommend registry cleaning to fix this error. 


To fix "Error 619: A Connection to the Remote Computer could not be established, so the port used for this connection was closed", follow the steps below.

1. Reset Winsock


i. Click on Windows Start

ii. Open Command prompt

This step various depends on the Windows Version you are using in your computer. In Windows XP you can type cmd on Run window and click ok to access command prompt. In Windows 7 computer you can search for command on Search box and access command prompt.

iii. Type netsh winsock reset on command prompt

After this press enter to reset winsock.

iv. After resetting Windows socket you should restart your computer.

2. Disable Firewall and network utility programs installed 

By turn off any Internet related programs in your computer, you can avoid port related issues. Examples of Internet related programs are download accelerator, Firewall, torrent etc.

3. Check COM Ports 

We should make sure the COM ports are used by the dialer (Internet Access Manager). To check this follow the steps below.

i. Right click on My Computer and Click on Properties

ii. Go to Device Manager

iii. Check Ports (COM & LPT)

4. Reboot Computer

After performing the above steps restart your computer.


  1. when i use netsh winsock reset . then i get the message such as. the requested operation requires elevation (run as adminstrator) ,

    1. if ur using win 7........ just hit on start there you will type cmd just below the all programs.......... then you will find cmd option............. dont press the enter ............ just right click on cmd and then choose as run as administrator.........

  2. can you please explain step no 2-disable it safe to disable firewall???

  3. when i do check Com ports, there is no port (COM LPT) shown on my device manager. So what should i do ?

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