Description of problem:
I was installing Fedora 40 KDE, everything was normal in the software installation, suddenly the boot loader was being installed and it froze and could not advance in the installation

Version-Release number of selected component:
anaconda-core-40.22.3-1.fc40.x86_64


The following was filed automatically by anaconda:
anaconda 40.22.3 exception report
Traceback (most recent call first):
  File "/usr/lib/python3.12/site-packages/dasbus/client/handler.py", line 509, in _handle_method_error
    raise exception from None
  File "/usr/lib/python3.12/site-packages/dasbus/client/handler.py", line 483, in _get_method_reply
    return self._handle_method_error(error)
  File "/usr/lib/python3.12/site-packages/dasbus/client/handler.py", line 450, in _call_method
    return self._get_method_reply(
  File "/usr/lib64/python3.12/site-packages/pyanaconda/modules/common/task/__init__.py", line 46, in sync_run_task
    task_proxy.Finish()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation.py", line 474, in run_install_bootloader
    sync_run_task(STORAGE.get_proxy(task))
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation_tasks.py", line 261, in _run
    self._task_cb(*self._task_args, **self._task_kwargs)
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation_tasks.py", line 75, in start
    self._run()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation_tasks.py", line 203, in _run
    item.start()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation_tasks.py", line 75, in start
    self._run()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation_tasks.py", line 203, in _run
    item.start()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation_tasks.py", line 75, in start
    self._run()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation_tasks.py", line 203, in _run
    item.start()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation_tasks.py", line 75, in start
    self._run()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation.py", line 552, in _run_installation
    queue.start()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/installation.py", line 83, in run
    self._run_installation(
  File "/usr/lib64/python3.12/site-packages/pyanaconda/modules/common/task/task.py", line 107, in _task_run_callback
    self._set_result(self.run())
  File "/usr/lib64/python3.12/site-packages/pyanaconda/modules/common/task/task.py", line 94, in _thread_run_callback
    self._task_run_callback()
  File "/usr/lib64/python3.12/threading.py", line 1010, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib64/python3.12/site-packages/pyanaconda/core/threads.py", line 280, in run
    threading.Thread.run(self)
  File "/usr/lib64/python3.12/site-packages/pyanaconda/core/threads.py", line 171, in raise_if_error
    raise exc_info[1]
  File "/usr/lib64/python3.12/site-packages/pyanaconda/modules/common/task/task.py", line 173, in finish
    thread_manager.raise_if_error(self._thread_name)
  File "/usr/lib64/python3.12/site-packages/pyanaconda/ui/gui/spokes/installation_progress.py", line 75, in _on_installation_done
    self._task.finish()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/core/signal.py", line 41, in emit
    func(obj, *args, **kargs)
  File "/usr/lib64/python3.12/site-packages/pyanaconda/modules/common/task/runnable.py", line 115, in _task_stopped_callback
    self._stopped_signal.emit()
  File "/usr/lib64/python3.12/site-packages/pyanaconda/core/async_utils.py", line 68, in _idle_method
    func(*args, **kwargs)
pyanaconda.modules.common.errors.general.AnacondaError: 'utf-8' codec can't decode byte 0xff in position 367: invalid start byte

Additional info:
other involved packages: anaconda-gui-40.22.3-1.fc40.x86_64, python3-dasbus-1.7-6.fc40.noarch, python3-libs-3.12.2-2.fc40.x86_64
version:        40
kernel:         6.8.5-301.fc40.x86_64
addons:         com_redhat_kdump
cmdline_file:   BOOT_IMAGE=/images/pxeboot/vmlinuz root=live:CDLABEL=FEDORA-KDE- rd.live.image quiet rhgb
release:        Fedora release 40 (Forty)
type:           anaconda
reason:         pyanaconda.modules.common.errors.general.AnacondaError: 'utf-8' codec can't decode byte 0xff in position 367: invalid start byte
package:        anaconda-core-40.22.3-1.fc40.x86_64
product:        Fedora
hashmarkername: anaconda
executable:     /sbin/anaconda
cmdline:        /usr/bin/python3  /sbin/anaconda --liveinst --graphical
comment:        I was installing Fedora 40 KDE, everything was normal in the software installation, suddenly the boot loader was being installed and it froze and could not advance in the installation