@burnout426 Nothing in there, no references to Bing. But there is a new development. I always noticed something appearing and disappearing in the right of the taskbar when I unlocked or logged in, it was black. Today I looked for it and noticed C:\ in it, in white, before it disappeared, then the browser opened and Bing.com loaded as it has been.
It looked like the command prompt, like it was running a batch file or something. I googled how to disable the command prompt in Windows 11 (my version is the Pro edition) and followed the instructions, including how to also prevent batch files from running. (in the Group Policy Editor, gpedit.msc)
"Press Win + R, type gpedit.msc, and hit Enter.
Navigate to: User Configuration > Administrative Templates > System.
On the right pane, double-click Prevent access to the command prompt.
Select Enabled.
Under "Disable the command prompt script processing also?", select Yes if you also want to block batch files (.bat/.cmd), otherwise leave as "No".
Click Apply and OK."
I did that, locked the PC, unlocked, and the browser didn't open, no Bing, nothing. I did see the command prompt window in the task bar, but it was black, and it didn't disappear. I double clicked it and it opened in the upper left side of the screen as a shrunken window. I clicked that and dragged the arrows to make it bigger and the text in the title bar was:
C:\WINDOWS\system32\conhost.exe
I closed that window, locked the PC, unlocked it and logged back in, and the browser still didn't open, no Bing, so that technique did the trick.
That command prompt still appears, I just close it.
A Google search said that conhost.exe is legitimate, but the file must reside in C:\Windows\System32, which it does, so that's strange.
I haven't noticed anything different about Windows since doing this, everything seems fine.
