Roblox crashes on launch on PC

Hello,

Since September 18, 2025, I have been unable to launch Roblox on my PC. Each time I open it, the client displays:

“Error, Roblox encountered an unexpected error. Click 'ok' to create support files…”

When I click on OK, it mentions dump files (e.g.: C:\Users\[Name]\AppData\Local\Temp\HYPDDDD.tmp), but nothing launches afterward; the window simply closes.

My configuration:

• Windows 11 Home version 24H2

• Processor: AMD Ryzen 3 3250U with Radeon Graphics

• GPU: integrated Radeon

• Antivirus: Default Windows Security

What I have already tried (unsuccessfully):

• Complete uninstallation/reinstallation of Roblox

• Deletion of temporary files and the Roblox folder in AppData

• Windows and driver updates (everything is up to date)

• Test via Microsoft Store and through the browser

• Run as administrator

• Cleanup with CCleaner

• Contacted Roblox Support → they say they are “aware of the issue” but with no solution or timeframe

Additional details:

• On mobile (Android/iOS), Roblox works normally.

• On PC, unable to access my private servers (which I pay for), which is very frustrating.

• I read on the Roblox DevForum that some suggest disabling Memory Integrity in Windows and/or SVM Mode in the BIOS (AMD processors). Not tested yet.

Would you have a reliable solution to offer me?

Thank you in advance, Best regards.