| 1. Within Mozilla Firefox, go to the Tools menu and select Options. |

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| 2. From the left-hand side of the Options window, click the Privacy button. |

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| 3. In the Privacy window (on the right-hand side), click the Clear buttons relating to the items Cookies and Cache.
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4. Click the [+] symbol next to the word Cookies
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| 5. In the Cookies field, ensure that the Allow sites to set cookies box is ticked. Once this is ticked, click the [-] symbol next to the word Cookies to close the field. |

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6. Click the [+] symbol next to the word Cache
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| 7. In the Cache window, ensure that the amount of disk space for the cache is approximately 15000. Once this is done, click the [-] symbol next to the word Cache to close the field, then click the OK button at the bottom of the window. |

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