Mouth Sync Speedup & Missing Audio/Icons in After Effects from Character Animator Export

I’m experiencing persistent issues when exporting from Adobe Character Animator (Ch) to After Effects (AE) via Media Encoder (ME). The main problems include:

• Mouth sync lagging or speeding up in Ch.
• In AE, the mouth animation moves too fast, and some audio segments are missing.
• Occasionally, AE’s timeline doesn’t show visibility or sound icons for the imported video.
• A “posterized time” error appeared earlier in AE but has since disappeared—though it may be related.

I performed a full clean install of Adobe apps, but the issue persists. Here’s a detailed breakdown:

Issue Details:

• Character Animator (Ch): Mouth sync lags or speeds up inconsistently (24 fps project, using ElevenLabs audio, no live mic).
• Export Process:
• Exported a transparent video (QuickTime/Animation codec) via ME.
• Also tested direct import from Ch to AE.
• After Effects (AE):
• Mouth movement is too fast.
• Specific sections of audio are missing.
• Sometimes, visibility and sound icons don’t appear in AE’s timeline.
• Issue occurs regardless of whether I use ME or import directly from Ch.

Troubleshooting Steps Taken:

1. Frame Rate & Codec Checks:
• Confirmed all frame rates are 24 fps (Ch scene, ME export, AE composition).
• Tested different export codecs (GoPro CineForm, Animation).
• A 5-second test clip played fine in Ch but broke in AE.
2. Clean Install Process:
• Uninstalled Ch, AE, ME, and Creative Cloud (including Adobe Genuine Service).
• Used Adobe Creative Cloud Cleaner Tool to remove leftovers.
• Manually deleted Adobe-related files from:
• C:\Program Files\Adobe\ and C:\Program Files (x86)\Adobe\
• %appdata%\Adobe\ (Roaming & Local)
• C:\ProgramData\Adobe\
• C:\Program Files\Common Files\Adobe\
• Cleared cache folders for ME and Premiere Pro.
• Restarted PC after each step.
3. Reinstallation & Testing:
• Reinstalled Creative Cloud, Ch, AE, and ME with default settings.
• Created a brand-new Ch project (no Save As to prevent corruption).
• Imported a simple puppet and ElevenLabs audio (WAV, 24 fps).
• Exported a 5-second .mov (File > Export > Video with Alpha, QuickTime/Animation).
• Imported into AE, created a new 24 fps composition, and previewed.

Current Problem (Post-Reinstall):

• In Ch: Everything plays correctly (mouth sync and audio are fine).
• In AE: The mouth still moves too fast, and certain audio segments remain silent. Visibility/sound icons sometimes don’t appear in AE’s timeline.
• This is the exact same issue I had before the clean install.

Additional Notes:

• No other Adobe apps were running during testing.
• To avoid project file corruption, I started fresh instead of reusing old files.
• I’ve seen similar missing audio/icon issues before but haven’t found a solution.

Request for Help:

Does anyone know what might be causing this? Any suggestions would be greatly appreciated!