Extension signature verification failure

[MikeWang000000]

Logs:

[03:39:03.307] [server] [19:39:03] Extension signature verification result for ms-vscode.cpptools: UnknownError. Internal Code: 127. Executed: true. Duration: 11ms.
[03:39:03.314] [server] [19:39:03] Error while installing the extension ms-vscode.cpptools Signature verification failed with 'UnknownError' error. file:///home/testing/.vscode-server/extensions/extensions.json
[03:39:04.316] [server] rejected promise not handled within 1 second: SignatureVerificationInternal: Signature verification failed with 'UnknownError' error.
[03:39:04.316] [server] stack trace: SignatureVerificationInternal: Signature verification failed with 'UnknownError' error.
[03:39:04.317] [server]     at kl.xb (file:///home/testing/.vscode-server/cli/servers/Stable-91fa95bccb027ece6a968589bb1d662fa9c8e170/server/out/server-main.js:55:16644)
[03:39:04.317] [server]     at async kl.wb (file:///home/testing/.vscode-server/cli/servers/Stable-91fa95bccb027ece6a968589bb1d662fa9c8e170/server/out/server-main.js:55:15115)
[03:39:04.320] [server] [19:39:04] SignatureVerificationInternal: Signature verification failed with 'UnknownError' error.
[03:39:04.321] [server]     at kl.xb (file:///home/testing/.vscode-server/cli/servers/Stable-91fa95bccb027ece6a968589bb1d662fa9c8e170/server/out/server-main.js:55:16644)
[03:39:04.321] [server]     at async kl.wb (file:///home/testing/.vscode-server/cli/servers/Stable-91fa95bccb027ece6a968589bb1d662fa9c8e170/server/out/server-main.js:55:15115) {
[03:39:04.321] [server]   code: 'SignatureVerificationInternal'
[03:39:04.322] [server] }

Workaround:

{
    "extensions.verifySignature": false
}