older software doesnt run after KB5127648 is installed
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 62%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELM%3C/text%3E%3C/svg%3E)
Lawrence McNeil
0
Reputation points
After update KB5127648 is installed some older software no longer works.
Windows for home | Windows 11 | Windows update
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(294.40000000000003, 86%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJJ%3C/text%3E%3C/svg%3E)
John Jefferson Doyon 90,560 Reputation points Independent Advisor2026-11-08T20:19:17.8166667+00:00 Hi, @Lawrence McNeil
Which older software or applications stopped working after installing update KB5127648?
Have you already tried updating those applications to their latest versions?
Thanks!
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Lawrence McNeil 0 Reputation points
2026-11-08T23:09:47.1866667+00:00 The software is RealFlight 7.5.
Apparently when update KB5127648 is installed, Bitdefender sees RealFlight as both an Advanced Threat and an Exploit threat. Creating an exception in Bitdefender seemed to solve the issue.
Thanks John!
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