Recently a client of mine had me pulling my hair out trying to figure out why some users couldn’t see the the secure https sections of their website.

As it turned out,  the server had been upgraded to TLS only for PCI-compliance, and some users had TLS disabled.

This article goes in to the how, they why, and the solution to fix https websites that aren’t showing up for some users.

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One of our Cart32 websites started having a problem recently where it would work great all the way until the last page of the checkout process, where it would give the error “Bad file name or number Error Number = 52″.

Even worse, it charged the customers credit card each time, so a persistent customer could wind up with multiple charges which you would need to undo!

Continue reading for the fix:

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