Security Center failed to validate caller with error DC040780
You may see Security Center Failed to Validate Caller with Error (DC040780) because of a corrupted system file or due to the interference of a third-party antivirus with the Windows security system. In this video, we are going to fix the error with the help of some simple solutions.
These are the things you need to do to fix Security Center Failed to Validate Caller with Error (DC040780).
1. Remove Third-Party Antivirus
2. Disable Windows Defender
3. Disable Windows Security via Registry
4. Disable the Acronis Active Protection
5. Troubleshoot in Clean Boot State
6. Update BIOS.
7. Bring this to the notice of your 3rd-party security software vendor
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