This web page is a manual guide to fix Outlook failed to update headers error. This error occurs due to runtime. Implement the steps below to fix it simply.
Method 1: Disable Antivirus
Step 1:
There are times when the antivirus applications come in as an intrusion and causes such errors.
Step 2:
Open the antivirus application from the taskbar on your Windows computer, right-click and disable the option.
Step 3:
The antivirus software creates a conflict with Outlook.
Step 4:
See if disabling the Antivirus helps in resolving the error, if not skip to the next step.
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