I'm using the Bitdefender 10 that I downloaded from the Internet. I installed Bitdefender 10 on my laptop fine but the problem is that antivirus software does not work for more than 1 week. After Week 1 automatically antivirus option turns gray and I cannot do any something else with it that is I cannot scan and I cannot make any update to the software and this is continually happening six weeks I checked the expiration date but is for one year, so anyone can help me know what exactly the problem with Bitdefender 10.
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