Google Chrome 

Open Google Chrome *

Click on the control menu  > Settings > Privacy and security:

Allowing  Cookies

Go to  Cookies and other site data > switch on  Allow all cookies under General settings

Clearing browsing data

Go back under Privacy and security > Clear browsing data > under Basic mark Browsing history and Cookies and other site data, select the requested time frame (we recommend "All time") click Clear data.

Now close Google Chrome, reopen it and login to your account.

If the above does not solve your problem, please contact us and provide exact details of the problem (including a screenshots when possible).

*(instruction applies to version 84.0.4147, the path might differ in case of another version)

Mozilla Firefox

Clearing your browsing & download history, cookies and cache

1. Go to the main menu > click on Library  icon > History > Clear Recent History.

2. In the Time Range to clear: drop-down, select Everything.

3. Choose browsing & download history, cookies and cache, click Clear Now.

Now close the browser, reopen it and login to your account.

If the above does not solve your problem, please contact us and provide exact details of the problem (including a screenshots when possible).

*(instruction applies to version 80, the path might differ in case of another version)

Safari

Open your Safari browser

Select Safari on the Menu bar

Go to  Preferences

Select Security from the list of options at the top of Preferences window

In the Web content check options Enable plugins, Enable Java and Enable Java Script

Select Privacy  - in the Cookies and website data select Always allow

Close the window

Go back to Safari on the Menu Bar

Select Clear History and Website Data-Clear all history-and confirm your choice by clicking on Clear history.

Now close Safari, reopen it and login to your account.

If the above does not solve your problem, please contact us and provide exact details of the problem (including a screenshots when possible).

Internet Explorer

Delete browsing history

Open Internet Explorer *, click on Settings > Internet Options > General >Browsing history.

Choose Temporary Internet Files, Cookies and website data and History.....

and click Delete...

Now close the browser, reopen it and login to your account.

If the above does not solve your problem, please contact us and provide exact details of the problem (including a screenshots when possible).

*(instruction applies to version 11, the path might differ in case of another version)

Microsoft Edge

Open your Microsoft Edge browser.

Delete browsing history

Open Internet Edge, click on Settings and more (or press Alt + X) > Settings > Privacy & Security > Browsing data > Clear browsing data > Choose what to clear (choose what you want to clear, the more the better, at least „Cached data and files“ should be ticked) > Clear.

Enable cookies

Cookies should be enabled be default (Don't block cookies).

Now close Internet Edge, reopen it and login to your account. If the above does not solve your problem, please contact us and provide exact details of the problem (including screenshots if possible).