Problem:
This issue involves a Surface Pro running Windows 10 that’s caught in a continuous boot loop, alternating between a blue screen displaying the stop code “SECURITY_SYSTEM_ERROR” and a black screen showing only the Microsoft logo. The device cannot complete the startup process and remains stuck cycling between these two screens, preventing normal access to Windows. This type of error typically indicates system file corruption, problematic driver conflicts, or issues with recent Windows updates that prevent the operating system from loading properly. The boot loop makes it impossible to access Windows normally, requiring special recovery methods to diagnose and fix the underlying problem.
Resolution:
Select Troubleshoot > Advanced Options > Startup Repair
Let Windows attempt to fix boot issues automatically
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Enter the Recovery Environment
Select Troubleshoot > Advanced Options > Startup Settings > Restart
Press 4 or F4 to enter Safe Mode
If it boots successfully, you can uninstall recent updates or drivers that might be causing issues.
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In Safe mode open Command Prompt as administrator
Type: sfc /scannow and press Enter
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In Safe Mode, go to Settings > Update & Security > View update history > Uninstall updates, and remove the most recent update
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If nothing helps:
From Recovery Environment: Troubleshoot > Reset this PC > choose to keep your files if possible.
mceworld 