
On the next window, find third party software and right-click the same.If found remove them one by one to avoid certain conflicts between windows files and the third party app. Download and install the driver and check if the BSOD portcls.sys still persists.Īs you have uninstalled the audio application in the 1st method, locate if any other software exists on your computer.Now go to the Manufacturer’s website of the adapter and find the latest driver software.Right click the – VAC or Virtual audio cable whichever is showing.Double click on the- Audio inputs and outputs.But you can easily uninstall the driver from the device manager and this will be a perfect solution or workaround for this BSOD. Sometimes buggy driver updates for the audio app might also give rise to portcls.sys with System Service Exception or Page Fault in Nonpaged Area blue screen. Reboot your computer and check if portcls.sys Blue Screen Error is fixed.Ģ] Uninstall VAC driver to fix portcls.sys BSOD error.Follow the guide coming on the screen up to the end until the software is removed completely.

