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Windows 11 Cumulative Update 2025-10 breaks localhost applications

a day ago
https://learn.microsoft.com/en-us/answers/questions/5585563/localhost-not-working-anymore-after-2025-10-cumula
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  • #Localhost Issue
  • #KB5066835
  • #Windows Update
  • Users report issues accessing applications via localhost after installing Windows cumulative updates KB5066835 and KB5065789.
  • Uninstalling both updates (KB5066835 and KB5065789) resolves the issue for some users.
  • The problem affects local development and business applications.
  • Microsoft's response or timeline for a fix is currently unknown.
  • Temporary workaround involves uninstalling the problematic updates and restarting the computer.
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