ISTA+ Standalone 4.55.12 en-GB

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Tried to install and no luck.

The install files are on D: drive in 4.55.12_BScene directory.  C: drive has 176 GB free space.

ISTA + Standalone Setup launches and installs some windows files.  Then it extracts "files from archive".  This continues for about 1.5 hours and the status bar progress to about 5%.  The status bar then resets to zero and the status is still "Extracting files from the archive""

IS launches and installs some windows files.  Then it extracts files from archive.  This continues for about 1 hour and the status bar progresses to about 5%.  Then the status bar resets to zero and Status indicates”Extracting Fles from archive”.  I stays like this for hours.ISTA + Standalone Setup launches and installs some windows files.  Then it extracts files from archive.  This continues for about 1 hour and the status bar progresses to about 5%.  Then the status bar resets to zero and Status indicates”Extracting Fles from archive”.  I stays like this fo
What am I doing wrong?

Thanks