on my third install now and get:
24 Feb 23:28:24 - [info]
Welcome to Node-RED
24 Feb 23:28:24 - [info] Node-RED version: v1.0.3
24 Feb 23:28:24 - [info] Node.js version: v12.16.1
24 Feb 23:28:24 - [info] Windows_NT 10.0.18362 x64 LE
24 Feb 23:28:26 - [info] Loading palette nodes
24 Feb 23:28:26 - [error] Failed to start server:
24 Feb 23:28:26 - [error] TypeError: Cannot read property 'forEach' of undefined
at Object.addModule (C:\Users\Dell\AppData\Roaming\npm\node_modules\node-red\node_modules@node-red\registry\lib\registry.js:186:27)
at C:\Users\Dell\AppData\Roaming\npm\node_modules\node-red\node_modules@node-red\registry\lib\loader.js:108:30
at tryCatchReject (C:\Users\Dell\AppData\Roaming\npm\node_modules\node-red\node_modules\when\lib\makePromise.js:845:30)
at runContinuation1 (C:\Users\Dell\AppData\Roaming\npm\node_modules\node-red\node_modules\when\lib\makePromise.js:804:4)
at Fulfilled.when (C:\Users\Dell\AppData\Roaming\npm\node_modules\node-red\node_modules\when\lib\makePromise.js:592:4)
at Pending.run (C:\Users\Dell\AppData\Roaming\npm\node_modules\node-red\node_modules\when\lib\makePromise.js:483:13)
at Scheduler._drain (C:\Users\Dell\AppData\Roaming\npm\node_modules\node-red\node_modules\when\lib\Scheduler.js:62:19)
at Scheduler.drain (C:\Users\Dell\AppData\Roaming\npm\node_modules\node-red\node_modules\when\lib\Scheduler.js:27:9)
at processTicksAndRejections (internal/process/task_queues.js:79:11)