Fix Windows Security Cache Full Error: Clear & Reset Steps - Windows Search Error 0x80070520: Login Loop Fix-Fix SSH Host Key Verification Failed by Clearing known_hosts

Updated 2026-06-13 15:38:11developer-tools
Fix Windows Security Cache Full Error: Clear & Reset Steps - Windows Search Error 0x80070520: Login Loop Fix-Fix SSH Host Key Verification Failed by Clearing known_hosts
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.