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![]() ![]() The error flags include WINHTTP_CALLBACK_STATUS_FLAG_INVALID_CA, which means the system doesn't trust the Certificate Authority (CA). Also notice Google did not issue this certificate. htm file and edit it in word BLACK BARRON P.S : Please post back with the status of the issue. (Start > Ru > appdatamicrosoftsignatures) Find the. Note that because Fiddler is a proxy, it was connecting to 127.0.0.1 and not to Google. Answer Black Barron Replied on AugReport abuse The signatures stored as usually '.htm' files. In this case, Fiddler was installed and set to do HTTPS decryption (meaning it uses its own certificate), but its certificate was removed from the Windows trusted certificate list, so it's untrusted. WINHTTP_CALLBACK_STATUS_FLAG_INVALID_CA: The function is unfamiliar with the Certificate Authority that generated the server's certificate. The server used to check for revocation might be unreachable. WINHTTP_CALLBACK_STATUS_FLAG_CERT_REV_FAILED: Certification revocation checking has been enabled, but the revocation check failed to verify whether a certificate has been revoked. T04:10:04.356-03:00 1a20 E:Network ClientMigration!WinHttp::HandleCallback 2025 ()> Secure connection failure. Similar trace log entries will also appear in GWMME, Password Sync, or GWSMO when these products experience network/TLS issues. You can also view the destination IP address and the resolved hostname after " Network connection destination details" on the last log line. The error flag WINHTTP_CALLBACK_STATUS_FLAG_CERT_REV_FAILED indicates the certificate revocation check was unsuccessful. You can view the current date at the start of each log line, and the " Valid from" and " Valid until" dates of the certificate don't match the current date. In this case, the year in the machine's current date was changed to 2022, making the certificate seem out of date. Paste the copied signature in the email message body. ![]() Error from API WinHttpSendRequest with WinHTTP proxy. ![]()
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