After Parallels Desktop latest update the Parallels Tools installation fails at 20% even after following instructions from the article.
prl_boot process is hung.
NOTE: Please take a snapshot of your virtual machine (in the Mac menu bar go to Actions > Take snapshot) before you proceed with the instruction below to be able to revert all the changes.
Open Windows registry editor:
Press Command+R combination on the keyboard.
In the newly appeared window type regedit and hit Enter.
Then prompted by UAC click Yes button.
Navigate to the registry entry mentioned below:
- Click on prl_boot key in the left side of the window and press delete on the keyboard.
- Click Yes to confirm the operation.
Restart the virtual machine from the Start menu.
NOTE: Don't Shutdown and then Start the virtual machine. It's very important to restart virtual machine from the Restart option.
- Install Parallels Tools.