Signature verification failed with 'UnknownError' error.

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#307 opened on Sep 13, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 35/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Active
Tech stack: postgresql, vscode
Domain: databases, devtools

Research direction

No repository file, test, or entry point is named. Start by reproducing installation of the PostgreSQL extension in a remote project with the reported VS Code version, then investigate the signature-verification failure; done means the extension installs successfully on the remote machine.

Written by the indexing model from the issue text.

Description

Describe the bug

The extension fail to install in a remote machine:

Cannot install 'PostgreSQL' extension because Visual Studio Code cannot verify the extension signature

Signature verification failed with 'UnknownError' error.

To Reproduce

Try to open a remote project.

Expected behavior

Have PostgreSQL installed.

Screenshots

VS Code version

Version: 1.137.0
Commit: 645f29cc3176500b4b5762ba887cf2a7f0ffdf2c
Date: 2026-09-08T13:43:59-07:00
Electron: 42.10.0
ElectronBuildId: 15109253
Chromium: 148.0.7778.280
Node.js: 24.18.1
V8: 14.8.178.38-electron.0
@github/copilot: 1.0.84.70.gdb75d0d
@github/copilot-sdk: 1.0.13-preview.4
OS: Darwin arm64 25.6.0

Dominant language: No language data
Stars: 395
Forks: 33
Avg merge: 1h 46m
Merged PRs (30d): 3

Contributor guide

No contributing guide indexed for this repository

First steps

Read the whole issue, then the project's contributing guide.
Comment on the issue to say you are picking it up — it saves two people doing the same work.
Fork the repository and make your change on a branch.
Open a pull request that references the issue number.

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