How To Fix Vscode Installation Error On Ubuntu [Solved] -...

Common Error	Quick Fix Command
Broken Dependencies	`sudo apt --fix-broken install`
GPG Key/Repository Error	`sudo apt update --allow-insecure-repositories`
Frontend Lock Error	`sudo rm /var/lib/dpkg/lock-frontend`

Table of Contents

What is VS Code Installation Error on Ubuntu?

A VS Code installation error on Ubuntu typically occurs when the system’s package manager (APT) encounters conflicting dependencies, expired GPG keys, or locked administrative files. These errors prevent the installation of the Visual Studio Code .deb package or official repository.

Users often see messages like “The following packages have unmet dependencies” or “Failed to fetch… 403 Forbidden.” These issues usually stem from outdated local cache files or interrupted previous installations that left the DPMS database in a “locked” state.

Step-by-Step Solutions

1. Fix Broken Dependencies

If your installation failed midway, your package manager might be stuck. This command forces Ubuntu to resolve and download missing requirements.

sudo apt update
sudo apt --fix-broken install

2. Clear the Package Manager Lock

If you see an error stating “Could not get lock /var/lib/dpkg/lock-frontend,” it means another process is using the installer. Close other software updates and run:

sudo rm /var/lib/apt/lists/lock
sudo rm /var/lib/dpkg/lock
sudo rm /var/lib/dpkg/lock-frontend
sudo dpkg --configure -a

3. Update GPG Keys and Official Repository

Sometimes the error is caused by an untrusted source. Re-importing the Microsoft GPG key ensures the repository is recognized as safe.

wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > packages.microsoft.gpg
sudo install -D -o root -g root -m 644 packages.microsoft.gpg /etc/apt/keyrings/packages.microsoft.gpg
sudo sh -c 'echo "deb [arch=amd64,arm64,armhf signed-by=/etc/apt/keyrings/packages.microsoft.gpg] https://packages.microsoft.com/repos/code stable main" > /etc/apt/sources.list.d/vscode.list'
sudo apt update
sudo apt install code

4. Install via GDebi (The Manual Method)

If the standard apt install fails, download the .deb file from the official website and use GDebi, which is better at handling local dependency resolution than the default Software Center.

sudo apt install gdebi-core
sudo gdebi ~/Downloads/code_*.deb