The download of the Clarity installer from www.dataapex.com hangs for a long time when it is nearly finished.

If you experience a long delay when downloading the Clarity installer from www.dataapex.com and the download process seems to hang when it's almost complete, it's possible that your anti-virus software is scanning your web communication and downloads for viruses, which can cause the delay. 

The delay duration depends on the file size and anti-virus SW used.