System Error when running Ganache 2.7.1 on win32

[sai8151]

PLATFORM: win32
GANACHE VERSION: 2.7.1

EXCEPTION:

TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received null
    at validateString (internal/validators.js:124:11)
    at Object.extname (path.js:752:5)
    at ProjectFsWatcher.handleContractFileEvent (C:\Program Files\WindowsApps\GanacheUI_2.7.1.0_x64__rb4352f0jd4m2\app\resources\static\node\truffle-integration\projectFsWatcher.js:155:28)
    at FSWatcher.<anonymous> (C:\Program Files\WindowsApps\GanacheUI_2.7.1.0_x64__rb4352f0jd4m2\app\resources\static\node\truffle-integration\projectFsWatcher.js:186:16)
    at FSWatcher.emit (events.js:315:20)
    at FSEvent.FSWatcher._handle.onchange (internal/fs/watchers.js:186:12)