Ad-awear se personnel keeps rebooting my computer when updating?

My ad awear has been rebooting when i tri to update it, its been working ok till know, i have uninstold and reinstoled it but it still reboots my computer. cone you help. sorry i meant connecting for the definitions files, when it tries to download them it just re boots
Answer
Well i tried adaware for 2 years...but it wasnt that nice i suggest u use somthing like spware doctor...its more stable!