When I try to login to GST portal in GST Returns, I always get message “Invalid captcha.”. What could be the reason ?

It is observed that this problem occurs in some older version of Windows e.g. in Windows 10 Pro , build older than “10.0.16299”. Please ensure that in case of Windows 10 Pro, you must update the Windows to version 10.0.16299 or greater.

In other version of Windows also, you should install the latest release of Windows or alternatively install laltest Windows update through Control Panel. Installation of latest update of Windows may take several hours on a reasonably fast broadband connection.

To check Windows version, click on Start menu and type “System Information”.

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