Re: Can't access USB thumbdrives

On Sat, 2026-06-06 at 20:00 -0400, Frank McCormick wrote:
>  
> 
>  
>  
> On 6/6/26 6:12 PM, nwe wrote:
> 
> > On 6/6/26 5:00 PM, Chris Ramsden wrote:
> > >  
> > > Jun 06 22:55:14 Zenbook kernel: usb 3-3.2: Device is not
> > > authorized for
> > > usage
> > >  
> >  I have never before noticed such a message. I suspect that is
> > directly related to the problem, even if other classes of USB
> > devices are working in spite of that message. Hopefully someone
> > here on Debian User will know how to proceed.
> >  
> >  Another suspicious message is  
> > Jun 06 22:57:23 Zenbook mtp-probe[9326]: bus: 2, device: 10 was not
> > an
> > MTP device
> > 
> Could it be related? 
> 
> USBGuard daemon running on many Linux distributions that blocks
> hotplugged USB devices by default to prevent attacks. 
> 
To Jeffrey and Frank - yes it was USBGuard. I had quite forgotten I had
installed it. 

"If it ain't broke, I haven't fixed it enough yet."

Many many thanks. 

Chris.