You may encounter the following error message when attempting to install the HubSpot Sales for Windows tray app:
Process cannot access file because it is being used by another process error message.
To resolve this error:
- Press Ctrl + Alt + Delete, then click Task Manager.
- Ensure you're on the Processes tab. Locate and right-click SidekickTrayWPF, then select End Process. If a warning window opens to ask if you want to end the process, click End Process again to confirm.
- In the Start menu, search for HubSpot for Windows and open it.