Question
Could my antivirus software be causing the 'invalid site key' error on TurboTax?
Asked by: USER3218
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Answer (80)
Yes, some antivirus or security software can sometimes interfere with secure website connections by incorrectly flagging them. Try temporarily disabling your antivirus software to see if that resolves the TurboTax 'invalid site key' error. Remember to re-enable it afterward.