How to Fix ‘Security Center Failed to Validate Caller with Error dc040780’ on Windows 10 PC

The following error occurred while attempting to validate the caller ID information associated with the call being placed: “DC040780”. This problem occurs because the Microsoft Exchange Server cannot verify the identity of the calling party. To resolve this issue, you must ensure that the caller ID information is valid and accurate. For additional assistance, contact … Read more

How Repair ‘Operation did not complete because the file contains a virus’ Error Message

If the message “The operation could not be completed successfully because the file contains a virus” is displayed, the selected file or program cannot be started. This message can appear when Windows Defender detects a suspicious file on your system. In some cases, these files may contain fake or real malware. In this article, you … Read more

How to Solve “Operation Did Not Complete” Virus Issue in Windows 10

If you activate files that contain viruses, they will infect your system. This is why most antivirus programs, including Windows Defender, do not allow you to open a file or run a program associated with it if they suspect that the file/program may cause a virus attack. In this case, you will get an error … Read more

How to Repair Windows Defender Error Code 0x8007139F on Windows 10 PC

Windows Defender error 0x8007139f does not allow you to open programs downloaded to your computer, as well as other programs with security errors in Windows 10/11. For the Windows 10/11 operating system, the errors are still present on the computer, even though Microsoft representatives are constantly improving it with updates. Every new Windows update always … Read more