COR2ED Checkpoint - Technical requirements for COR2ED Checkpoint

  1. Browser Versions
  2. Browser Settings
  3. Browser Add-ons
  4. Browser Troubleshooting

The following browser recommendations and settings will improve your experience using COR2ED Checkpoint and ensure access to the activities and tools in your COR2ED Checkpoint courses.

1. Browser Versions

For security reasons, COR2ED Checkpoint recommends updating browsers to the most recent version for your operating system.

1.1. Recommended browsers and versions

We recommend that you use the latest version of Chrome, Firefox, Internet Explorer, Microsoft Edge, or Safari for the best COR2ED Checkpoint experience.

COR2ED Checkpoint may also operate on other browsers, but with qualifications.

2. Browser Settings

The following browser settings should be selected:

  • Enable Cookies
  • Enable Javascript*
    * Some devices such as Smartboards, certain tablets and PCs with touch screen capabilities may exhibit problems with COR2ED Checkpoint's drag-and-drop features. If you experience problems with such devices, we recommend that you use a desktop computer when you need these features. You can also turn off Javascript in your browser (see below) and use the alternative interface instead of drag-and-drop.

Instructions for browser settings for are available here:

Note: In most browsers (not Safari), you can make an exception for COR2ED Checkpoint if you don't want to use these settings for all websites.

3. Browser Add-ons

You may find it useful to install the following add-ons if your browser does not already have them:

3.1. A PDF Reader

To view PDF files, you need a PDF reader to be installed on your computer. A PDF browser plugin will let you view PDFs in a browser window without opening a separate program.

3.2. Adobe Flash Player

The Adobe Flash Player plugin for your browser will allow you to access Flash video and interactive media which may be published in COR2ED Checkpoint.

Note: Adobe Flash Player is not available for many mobile devices, including iPad, iPhones, and android mobile devices.

4. Browser Troubleshooting

4.1. Check supported browser versions.

Check to see if your problem is related to known issues with your browser version, above.

4.2. Clear your browser's cache.

Clearing your browser's cache may help to resolve problems such as trouble using drag-and-drop features, or trouble viewing the gradebook. See .

4.3. Try a different browser and/or move to a different computer.

You may find it helpful to have more than one browser installed on your computer. If you run into problems using COR2ED Checkpoint, moving to another browser may resolve your issues. You can also try moving to a different computer to see if the problem persists. This may help to discern whether your issue was a problem with your browser or computer, or with COR2ED Checkpoint.

4.4. Still having problems?

If the issue persists in several browsers, and on different computers, please report your problem to