Note: you may have your Virtual Machines configured to start automatically when Parallels Desktop starts. This article describes Parallels Desktop start issues only, if you need help starting a Virtual Machine please check this article Troubleshooting Virtual Machine start issues.
You are unable to start Parallels Desktop because of one of these reasons:
- Parallels Desktop hangs or crashes
- An error message comes up when you start Parallels Desktop
- Nothing happens when you try to start Parallels Desktop
It may happen because of one of these reasons:
- Parallels Desktop installation is corrupted
- macOS file system issues
- Parallels Service is blocked by Firewall or anti-virus
As a first troubleshooting step, disable the anti-malware/firewall applications if there are any and then check if the issue still remains.
If you are unable to start Parallels Desktop or a virtual machine and you get the error message:
Unable to connect to Parallels Service
- Check this article for resolution: Unable to connect to Parallels Service
If you still experience the same issue:
Repair possible macOS file system issues, as some Parallels Desktop files may be affected by these issues:
- Boot your Mac to Recovery mode this way.
- Open Disk Utility.
- Select your macOS startup volume (Macintosh HD by default) in the left column, then click First Aid -> Run -> Continue.
- Wait till the process is over.
- Reboot the Mac to normal mode.
Add Parallels Desktop in the Firewall and Privacy exception:
- Open System Preferences.
- Click the Security & Privacy icon.
- Select the Privacy tab > Accessibility.
- Click the lock icon in the preference pane, then enter an administrator name and password.
- Drag and drop Parallels Desktop app (Finder: /Applications/Parallels Desktop) in the Allow the apps below to control your computer box.
- Select the Firewall tab. If Firewall is enabled follow the steps below
- Click the Firewall Options button
- Click the Add Application (+) button.
- Select the app you want to allow incoming connection privileges for - Parallels Desktop.
- Click Add > OK.
- Add Parallels Desktop to the anti-virus white list if any.
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