PPro 25.5: Productions/Projects Trying to Access "Scratch Disk" crashes program

Thank you for all this information @JonJackson500. Sent you a message!

Thanks @Dani_V. 

| If the crashes were followed by a Crash Report or Error dialog box, we can look up the reports if an email is added in before sending. I can message you regarding the the DMP file you already have as well. 
I did submit at least 2 crash reports with my email attached. I can share my email and/or the DMP file over a Direct Message.

| is this issue happening across all three computers?
I can confirm issue on 2 of the Edit-PCs. The 3rd Editor was out today when the issue "spread" to my Edit machine.

| Did this start with 25.5
Yes, to the best of my knowledge. The Edit-PC-1 (User who had "Documents/Adobe" on OneDrive) was able to access the "Scratch Disks" previously & manually assign their location in Premiere Production Projects in previous versions.

| any other changes made to the workflow before the update ?
No, we were able to access "Project/Production Settings"/"Scratch Disks" options up until today on NAS-hosted Projects & Productions.

| is Software Only affecting all three computers and could you share the GPU/hardware info of the affected ones? 
Let me confirm info tomorrow morning. My Edit-PC-2's GPU is a NVIDIA RTX 2070 Super
NVIDIA Studio Driver - WHQL
Driver Version: 581.29 - Release Date: Wed Sep 10, 2025

| Additionally, it sounds like this is only happening to projects saved on a NAS. Are you able to see what the scratch disk paths are set to before the crash?
No. Clicking Menu >> File >> Project Settings (or Production Settings) >> "General" or "Scratch Disks" results in an instant pop-up of Premiere's "Crash Report", but doesn't launch the Panel where we'd see "Project/Production Settings" or the "Scratch Disks" tabs.

| What if a brand new project is created in any of the affected computers?
If I turn off my 10GbE network card, I can start a New Project & see the "Project Settings"/"Scratch Disks" Panel then. But turning my network card back on & trying to see the Scratch Disks of the main Production (on the NAS, or opening any past Production) results in Premiere's Crash Report.

| If you go to File > New Project and in the New Project window you click the little gear icon at the bottom, are you able to access the Scratch Disks tab from there?
Let me check & confirm tomorrow. I believe starting a New Project & clicking on the Gear Icon (under Templates, but no Templates were selected) on the NAS resulted in a Crash.

| If so, what Path are the scratch disks set to for the new project? 
When I can access the Scratch Disk path, they are set to "Same as Project"/"Same as Production".

As a last resort today, I uninstalled all stable versions of PPro 2024 & 2025, restarted the PC, and reinstalled PPro 25.5. I think tomorrow I'll uninstall, reboot, run the CC Cleaner, reboot, & try to reinstall PPro 25.5.

I know I have Extensions on my Edit-PC-2 (Knights of the Editing Table: Excalibur, WatchTower, etc ; as well as Mr Horse's Premiere Composer) that are not on the other Edit-PC-1. Before I uninstalled/reinstalled, I believe "Merlin" (from KotET) and MrHorsePremiereComposer showed under PPro's "Control Surfaces".

Are there Adobe/Premiere folders I should move/rename/purge out of my Windows system so these Extensions and/or Control Surfaces can be ruled out as potential culprits? Or should I reinstall them to resolve potential database dependencies?

I guess as a follow-up, do I need to confirm "Window >> Workspaces >> Import Workspace from Project" is turned off?

I left off that when the Crash issue persisted, I changed the User Workspace to another pre-built Workspace (PPro native ones like "Editing", "Color", "Captions & Graphics"), but that didn't stop the Crashes.

Thank you for any guidance you can provide!