User Manual
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18. The PowerPanel® Business Edition installation file's digital signature is not valid.
It is caused because the operating system does not support the SHA-256 signature the installation file uses.
Please follow the solutions below to resolve the problem for different versions of Windows:
On Windows 8.1, Windows 8, Windows 7, Windows Server 2012 or Windows Server 2008 R2, please
update the Windows via Windows Update to support SHA-256 signatures.
On the version is earlier than Windows 7 or Windows Server 2008 R2, please click Allow or Run when
security warning dialog appeared after the installation file is opened.