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Just install all available Windows updates to fix Acronis True Image installation failure. Update March 11th, 2019: the issue with failing installation of Acronis True Image has been fixed on Microsoft Windows Defender side. In some cases "Controlled folder access" option may conflict with Acronis software, for instance, it can cause errors 2902, " There was an error creating a temporary file that is needed to complete this installation" when trying to install Acronis True Image.
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Windows 10, starting with version 1803, includes Windows Defender Exploit Guard, a new security layer in addition to the standard Windows Defender Antivirus.Īmong other features, Windows Defender Exploit Guard has "Controlled folder access" option that prevents modification of key system and user folders that it thinks might be malicious or suspicious.
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