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Unable to install Parallels Tools (some unknown devices in device manager are present)

APPLIES TO:
  • Parallels Desktop 8 for Mac Standard Edition

Symptoms

  • I am unable to update Parallels Tools in my Windows virtual machine.
  • There is yellow exclamation mark on devices icon presents in Windows Device Manager

Resolution

Remove all third-party drivers from Add and Remove Programs menu from Control Panel (ex. NVIDIA, RealTech etc)

Cause

Some obsolete drivers present in the virtual machine.




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