cpp”, line 851. Avid’s notes say it means the playback engine isn’t configured properly.
Launch Pro Tools as normal, the splash screen gets to the point where it says “Initializing Library Content” and then boomerror dialog. Message as follows: Could not complete your request because Assertion in “/Volumes/Development/223020/ProTools/AAE/Source/AAX/CFicAAXWidget.cpp”, line 851.
Note. If an assertion error prevents you from opening Pro Tools, hold down the Master N key on your keyboard while starting Pro Tools. This may cause the Playback Engine dialog box to open before Pro Tools initializes the current engine. Trash your Pro Tools, which is a preset that essentially resets Pro Tools.
Pro Tools 11, try Dynamic, which includes plugin processing in the Playback Engine. This error code can be caused by a plugin, kindly. Remove the downtrack and the annoying plugin and you’re done. The annoying plugin doesn’t have to be in the session. Just be in the plugins folder.
Is 851 a good credit score?
A credit score of 851 is excellent.
How do you screenshot with a Samsung 851?
To take a screenshot, quickly press the power buttons as well as the volume down buttons at the same time. If no meaningful choice is made, the image will still be saved to the gallery.
What to do when you get assertion error in Pro Tools?
Note. If an assertion error is preventing Pro Tools from launching, try holding down the N key on your keyboard while Pro Tools loads and launches. This will open the Playback Engine dialog before Pro initializes the engine. Clear Pro Tools Preferences, which will reset Pro Tools Preferences.
How do I fix Pro Tools assertion error?
Note. If an assertion error is preventing Tools Pro from opening, try holding down the N key on your keyboard while starting Tools Pro. This may well cause the playback engine to open Speak before Pro Tools initializes the engine. Clear the Pro Tools settings, which essentially resets Pro Tools.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.