This problem occurs when your antivirus software and its signature files are out of date, when the file that you are trying to open is infected with a virus, or when the file has been damaged.
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To avoid viruses, you should never download or open files from sources that you do not trust, visit Web sites that you do not trust, or open e-mail attachments when your antivirus program is disabled.įor more information about computer viruses, see How to prevent and remove viruses and other malware. In this case you should treat the file with caution.Īn antivirus program helps protect your computer from viruses. It is important to note that the blocked file may also contain a virus which your Anti-Virus software has not been able to remove. You should ensure your Anti-Virus software is fully up to date and try opening the file again. Your Anti-Virus software has blocked the file you were trying to open. When you try to open a Microsoft Office file, you may receive the following error message:
This article will show you how to do this. To resolve the third problem, you have to try to recover the file. To resolve the first two problems, you have to update your antivirus program.
This article describes an error message that you receive in Microsoft Office that states that an antivirus program is preventing you from opening a file.
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