15.4 RC or RC2 ?

Try use terminal without sudo and see what error are showed.

Edited by carlosbortolon at 2017-4-10 10:23
How do I find out if it is RC or RC2?
I does not work. Here is what happened:
carlos@acer:~$ deepin-movie
ATTENTION: default value of option bo_reuse overridden by environment.
AudioResampler::Register(..., FFmpeg)
Singleton 0x7fe3700adbc0 created...
AudioResampler::Register(..., Libav)
AudioOutputBackend::Register(..., OpenAL)
Singleton 0x7fe3700adc90 created...
AudioOutputBackend::Register(..., Pulse)
VideoDecoder::Register(..., CUDA)
Singleton 0x7fe3700ade40 created...
VideoDecoder::Register(..., VAAPI)
VideoRenderer::Register(..., OpenGLWindow)
Singleton 0x7fe3700ae4a0 created...
SubtitleProcessor::Register(..., LibASS)
Singleton 0x7fe3700ae5b0 created...
SubtitleProcessor::Register(..., FFmpeg)
AudioDecoder::Register(..., FFmpeg)
Singleton 0x7fe3700ae970 created...
AudioEncoder::Register(..., FFmpeg)
Singleton 0x7fe3700aea40 created...
ImageConverter::Register(..., FFmpeg)
Singleton 0x7fe3700aeb70 created...
MediaIO::Register(..., QIODevice)
Singleton 0x7fe3700aee70 created...
MediaIO::Register(..., QFile)
AudioOutputBackend::Register(..., null)
VideoDecoder::Register(..., FFmpeg)
VideoEncoder::Register(..., FFmpeg)
Singleton 0x7fe3700af100 created...
VideoRenderer::Register(..., QQuickItem)
VideoRenderer::Register(..., QuickFBO)
AudioOutputBackend::id("ulse")
SubtitleProcessor::id("LibASS")
SubtitleProcessor::id("FFmpeg")
Traceback (most recent call last):
  File "/usr/share/deepin-movie/utils/config.py", line 307, in f
    return pickle.loads(result)
  File "/usr/lib/python2.7/pickle.py", line 1388, in loads
    return Unpickler(file).load()
  File "/usr/lib/python2.7/pickle.py", line 864, in load
    dispatch[key](self)
  File "/usr/lib/python2.7/pickle.py", line 1081, in load_obj
    k = self.marker()
  File "/usr/lib/python2.7/pickle.py", line 880, in marker
    while stack[k] is not mark: k = k-1
IndexError: list index out of range
Aborted
carlos@acer:~$

You should've been opening deepin-movie with sudo before this happen, try to remove the config file with

Edited by carlosbortolon at 2017-4-11 19:14

It worked! Thanks man! Thinking about it, I copied my config files from deepin 15.3 and pasted it to 15.4!