The Web Console needs cookies to be enabled in the web browser.
For Internet Explorer:
Click the Tools menu, and then click Internet Options.
The Internet Options dialog box is displayed.
On the Privacy tab, click the Advanced button.
The Advanced Privacy Settings dialog box is displayed.
Check the Override automatic cookie handling checkbox, and check Accept in the First-party Cookies.
For Firefox:
Click the Tools menu, and then click Options.
The Options dialog box is displayed.
Click the Privacy button.
Select "Remember history" or "Use custom settings for history" from the Firefox will: drop-down menu.
If "Use custom settings for history" is selected, check the "Accept cookies from sites".