Your browsing history can be the reason why you're unable to bank account. Let's perform some browser troubleshooting steps to update it successfully.
But first, may I know any information about your bank or if you receive any error messages or? Lat's start by accessing your account via incognito or private window of your browser. To check if this unexpected behavior is related to your current browser or not. To do so:
Google Chrome: Ctrl + Shift + N
Mozilla Firefox or Internet Explorer: Ctrl + Shift + P