STTub30.sys What Is It?
STTub30.sys is a driver by STMicroelectronics.
It runs as a 64-bit kernel mode gadget driver (USB Driver for Tube gadget v3.0.1.0) in Windows.

Usually, it is installed along with some programs.
On the PC, it is located inC:\Windows\System32\drivers\sttub30.sys.
However, when trying to enable memory integrity, the STTub30.sys incompatible driver error blocks this behavior.
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How to fix memory integrity incompatible drivers error in Windows 11/10?
Try ways in this post to fix this issue to turn on memory integrity.
So, you might do this thing by using the PNPUtil command tool.

Step 1: In Windows 11/10, inputcmdto the search box and clickRun as administratorfrom the right side.
Then, clickYesin the UAC prompt.
Step 2: Typedism /online /get-drivers /format:tableinto the CMD window and pressEnter.

Next, this command will show a list of 3rd-party drivers from the driver store.
Step 3: Find the line containingSTMicroelectronicsunderProvider Nameand note the published name.
Step 4: key in inpnputil /delete-driver published name /uninstall /forceand pressEnter.
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Replace the published name with the one you have noted.
Step 5: kickstart your PC and see if this helps fix STTub30.sys incompatible driver.
Go toWindows parameters > Update & Security > Windows UpdateorSettings > Windows Update.
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Then, check for available updates, download and install them on your PC.
Step 1: Right-hit theStarticon and chooseDevice Manager.
Step 2: Tap onView > Show hidden devices.
Step 4: HitSearch automatically for drivers.
After the update, restart the PC and test whether the STTub30.sys issue is solved.
How to update drivers in Windows 11 to fix some errors or improve PC performance?
This post gives you some efficient methods for driver update.
Step 1: Open Command Prompt with admin rights.
Step 2: Execute the command sfc /scannow.
make a run at turn on memory integrity and it should be enabled.