> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://sard.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# I can't access the live chat/Helpdesk pop-up window

If you are unable to open the live chat/Helpdesk pop-up window located in the bottom-right corner of the screen, you may need to clear your web browser cache – depending on the browser you are using to access the site:

**Microsoft Edge**

Go to the three dots in the top-right corner > *Settings* > *Privacy, search, and services* > under *Delete browsing data* > *Clear browsing data now* > choose *What to clear* > under *Time range* choose a period of time from the drop-down menu > select *Cached images and files* > click *Clear Now*.

**Google Chrome**

Click on the Chrome tab in the top-left corner or the three dots in the top-right corner > *Delete browsing data* > *Clear Browsing Data* > under *Basic* choose *Time range* (i.e. Last 7 days), tick all 3 boxes ( *Browsing history*, *Cookies and other site data* & *Cached images and files*) > click *Delete data*.

**Safari**

Go to Safari in the top-left corner > *Settings* > *Privacy* > click *Manage Website Data...* > select *Remove All  > Remove Now*  > *Done*.