Windows Driver Signature Enforcement is active. Fix: Reboot and disable Driver Signature Enforcement as shown in Step 1 above. For a permanent solution (riskier), you can use the command line: bcdedit /set testsigning on (reboot to enable test mode).
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This is the most likely match if you are seeing a "Blue Screen of Death" (BSOD) or dealing with phone connectivity issues. Windows Driver Signature Enforcement is active