thank you Karbock and Steven for replying.
i tried deleting try deleting MusicBeeLibrary.pfidx but nothing happened, as you feared. on the other hand, nothing happened today to my playlists, so maybe that is the reason.
i have recovered the error logs which i paste below.
25/04/2023 6:52:41 PM - 10.0.22621.0 - 3.5.8442.17201P - System.IO.EndOfStreamException: Unable to read beyond the end of the stream.
at System.IO.BinaryReader.FillBuffer(Int32 numBytes)
at System.IO.BinaryReader.ReadInt32()
at #=zd6_NOI1emqaz0cGz8jpiybE=.#=z2SL1RG3BBy2V(Stream #=zpVrR_Wc=, List`1 #=z_hBQEXY=, #=zqgBl5GU= #=z7jrDpvs=)
at #=zd6_NOI1emqaz0cGz8jpiybE=.#=zZfLtFv86C09L()
at #=zd6_NOI1emqaz0cGz8jpiybE=.#=zxNMnV7Uso8_f()
at #=zRTTH9thpXuMx1ES46sOVKl$EmGJL.#=zLp6x2IjB5jM2.#=zIoY4ocVhW0I2(Object #=zoXx56mA=, CancelEventArgs #=zSYztwPE=)
at System.Windows.Forms.ToolStripDropDown.OnOpening(CancelEventArgs e)
at System.Windows.Forms.ToolStripDropDown.SetVisibleCore(Boolean visible)
at System.Windows.Forms.ContextMenuStrip.SetVisibleCore(Boolean visible)
at System.Windows.Forms.ToolStripDropDown.Show(Control control, Point position)
at #=zRTTH9thpXuMx1ES46sOVKl$EmGJL.#=zLp6x2IjB5jM2.#=zS$5Z0RUQduKd(Point #=zg3CcoYA=)
at #=zRTTH9thpXuMx1ES46sOVKl$EmGJL.#=zLp6x2IjB5jM2.OnMouseClick(MouseEventArgs #=zSYztwPE=)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at #=z_Eq0EyA2d9kjtX7Ut9yhxvQ=.WndProc(Message& #=zc5qFKcE=)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
26/04/2023 11:10:55 PM - error loading associated files: Thread was being aborted.
T:\Tango\Clean\Canaro, Francisco\0360 OtoƱo.m4a
29/04/2023 10:56:52 AM - 10.0.19044.0 - 3.5.8442.17201P - System.InvalidOperationException: Invoke or BeginInvoke cannot be called on a control until the window handle has been created.
at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
at System.Windows.Forms.Control.Invoke(Delegate method)
at #=zA8IN7vana6jMELu8cTSOt106KMS6.#=zuL3juOQ=(MethodInvoker #=zokII9r0=)
at #=zRTTH9thpXuMx1ES46sOVKl$EmGJL.#=qRAurzr884e04CWrwCYDH5cxxgIMch$ExM9I58JsTryg=._Lambda$__0()
30/04/2023 4:22:20 PM - 10.0.19044.0 - 3.5.8442.17201P - System.ArgumentException: The binary data must result in a DateTime with ticks between DateTime.MinValue.Ticks and DateTime.MaxValue.Ticks.
Parameter name: dateData
at System.DateTime.FromBinaryRaw(Int64 dateData)
at System.DateTime.FromBinary(Int64 dateData)
at #=zyMkEwRbiaXOlA6wJnN7nmx0MAyx5.#=z5ntSz$M=()