Your browser may be experiencing a problem in verifying that the extension came from Remember The Milk. Please check your certificate settings in Firefox using the steps described below:

For Windows:

1. Click the Tools menu at the top of your browser, and select Options.
2. Click Advanced then the Encryption tab.
3. Press the View Certificates button.
4. Click the Authorities tab.
5. Scroll down until you reach The USERTRUST Network.
6. Click UTN-USERFirst-Object then press the Edit button.
7. Confirm that 'This certificate can verify software makers.' is checked.
8. Press OK.

For Mac:

1. Click the Firefox menu at the top of your browser, and select Preferences.
2. Click Advanced then the Encryption tab.
3. Press the View Certificates button.
4. Click the Authorities tab.
5. Scroll down until you reach The USERTRUST Network.
6. Click UTN-USERFirst-Object then press the Edit button.
7. Confirm that 'This certificate can verify software makers.' is checked.
8. Press OK.

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