What problem are you facing?

The Node.js driver has a dependency on 
mongodb-connection-string-url@2.1.0 which itself has a dependency on whatwg-url@9.1.0. There is a known issue which breaks for Electron 14+

What driver and relevant dependency versions are you using?

mongodb@4.1.3
├── bson@4.5.3
├── denque@2.0.1
├─┬ mongodb-connection-string-url@2.1.0
│ ├─┬ @types/whatwg-url@8.2.1
│ │ ├── @types/node@16.11.4
│ │ └── @types/webidl-conversions@6.1.1
│ └─┬ whatwg-url@9.1.0
│ ├─┬ tr46@2.1.0
│ │ └── punycode@2.1.1
│ └── webidl-conversions@6.1.0