What's the correct way to fix classpnp.sys hang error codes?
In our daily operation of the computer process, we will encounter some errors, such as the error code classpnp.sys hang, it will affect our operation of the computer, and lead to our life and work a great deal of inconvenience, when you encounter please do not be overly frustrated, this article will help you fix this error.
 
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Symptoms
The most common classpnp.sys hang error that appears on a Windows-based computer is following:
"Cannot start Bluetooth Software. A required component is missing: classpnp.sys hang. Please install Bluetooth Software again."
Issue
Mostly, you can encounter program lock-ups, sluggish computer performance, system crash, BSOD, startup or shutdown problem, and installation errors.
Reason of classpnp.sys hang:
  • Damaged emails and PST files
  • Wrong Outlook account settings
  • Unavailability of the mail server
  • Incomplete Outlook installation
  • Spyware or virus invasion
Manual Resolution
There're some manual methods to repair this issue, but this solution is only recommended to the computer expert users.
  • Press "Windows" + "R" and type "sysdm.cpl" in the input box.
  • And then click Enter.
  • Open the "hardware" tab on the system properties dialog box.
  • Then press "device manager".
  • Double click "device type" and then press the hard ware device that is reporting error code classpnp.sys hang.
  • Go to the "driver" tab and click "uninstall" button to uninstall the device driver completely.
Recommended Solution
  • With the help of SmartPCFixer, you can solve the error classpnp.sys hang with simple clicks.
  • Step 1: Download SmartPCFixer and Launch the software.
  • Step 2: Run the software and click Quick Scan.
  • Step 3: Click Fix All to fix all PC errors with one click.
  • Step 4: Congratulations, error removed completely!
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