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Parallels Tools installation failure with error 110

  • Parallels Desktop 8 for Mac Standard Edition
  • Parallels Desktop 7 for Mac Standard Edition


You receive an error 110 during Parallels Tools installation or upgrade. 

You can only find this message in С:\Windows\Temp\parallels-tools.log in Windows virtual machine.

You need to search for a following string:

The system cannot open the device or file specified.
110 (0x6E)


The error "110" means that the directory is encrypted and it need to be changed during Parallels Tools installation.


Please follow these steps:

1. Please go to Windows Start menu ► Control Panel ► Programs and Features. Delete Parallels Tools if any;
2. Restart your Virtual Machine;
3. Manually remove this folder : C:\Program Files (x86)\Common Files\Parallels\{7D7FAO55-EC62-41A2-9CDB-16B5A7A0791A]\Data\amd64

Note: This operation could ask you for permissions. If this happens please follow the steps below.
Here are the steps to modify ownership and permissions of folders and files:

1. Right-click the file or folder ► click Properties ► and then click the Security tab.
2. Click Advanced ► and then click the Owner tab.
3. Click Edit, and then do one of the following:
·         To change the owner to a user or group that is not listed, click Other users and groups and, in "Enter the object name to select" (examples), type the name of the user or group, and then click OK.
·         To change the owner to a user or group that is listed, in the Change owner to box, click the new owner.
4. If you want to take ownership of the contents of the folder, select the Replace owner on sub containers and objects check box.
5. Click OK, and then click Yes when you receive the following message:
You do not have permission to read the contents of directory folder name. Do you want to replace the directory permissions with permissions granting you Full Control?

          All permissions will be replaced if you click Yes.
Note: Folder name is the name of the folder that you want to take ownership of.
6.       Click OK, and then reapply the permissions and security settings that you want for the folder and its contents.
  Additional considerations
   ·         An administrator can take ownership of any file on the computer.
   ·         Assigning ownership of a file or a folder might require you to elevate your permissions using User Access Control.
Note: By clicking "Edit" in Properties ► Security of the folder  - you can assign any permissions by choosing user name in "Group or user names" window and clicking  "Full Control" in "Permissions for SYSTEM" window.
4. Install Parallels Tools (Virtual Machine at the top of the Window ► Reinstall Parallels Tools).
If it does not help then please go through the procedure again, restart your Virtual Machine and try to install Parallels Tools.

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