If you are unable to access myLesley or LOIS because of an error saying that "Too many cookies are open", or "You have exceeded the maximum number of cookies allowed" you will have to delete the excess browser cookies. This error is caused by not logging out of myLesley or LOIS before closing the browser window. 


*Please remember to always log out of myLesley and LOIS before you close your browser window. 


Firefox users on a Mac:


Under the Firefox menu, click Preferences.

Click on Privacy & Security, then scroll to Cookies and Site Data.

Click on the Clear Data button.

Make sure the the Cookes and Site Data and Cached Web Content fields are checked, and click the Clear button.

In the window that pops up, click the Clear Now button.



Firefox users on a Windows computer:


Open Firefox.

Go to Tools > Options.

Choose Privacy & Security from the menu on the left.

Under Cached Web Content, click the Clear Now button.

Close the Options tab.



Safari users:


Open up the Safari browser.

Click on Preferences under the Safari menu.

Choose the Privacy tab.

Click on the Manage Website data button.

Click the Remove All button.

Click on the Remove Now button in the pop-up window.

Press the Done button.

Close and restart Safari.



Edge users:


Open Edge.

Click the Settings icon. (...)

Click Settings from the menu that opens.

Click on the Choose what to clear button under the Clear browsing data heading.

If they aren't already chosen, click on the boxes before Choose Browsing History, Cookies and saved website data, Cached data and files and Tabs I've set aside or recently closed.

Press the Clear button.



Internet Explorer (IE) users:


Open up the IE browser.
Go to the Tools item on the Menu bar.
Choose Delete browsing history....
Make sure that the first four boxes are checked, and click on the Delete button.
Close and restart IE.



Chrome Users:
Click the More icon on the toolbar:

Choose the More Tools option on the dropdown menu.

Click on Clear browsing data.

In the box that opens, you can check the items that you want to clear, and you can also choose how far back you want to clear the cache. The most common items to clear are:

  • Browsing history

  • Download history

  • Cookies and other site and plug in data

  • Cached images and files

Click on the Clear data button.