Freezing when click at open a file

[Luiz Leite]

Hi.

I have always used paint.net without any problems.
This year, with version 4.1.4 and 4.1.5, it began to freeze when I click on file and open.
Can not open the dialog box.
Paint.net gets 27% of the cpu (task pane) while running.
I can use paint.net and just have to go to the task manager and finish it.
Yesterday I uninstalled with revo and installed again and continues to freeze.

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Application    paint.net v4.1.5 (Final 4.105.6913.325)
Build Date    quarta-feira, 5 de dezembro de 2018
Install type    Classic
    
Acelerada por hardware (GPU) de renderização    True
Animações    True
DPI    96,00 (1,00x scale)
Idioma    pt-BR
    
OS    Windows 10 Home Single Language x64 (10.0.17134.0) (0x64)
.NET Runtime    4.0.30319.42000
Physical Memory    8.047 MB
    
CPU    Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz
    Speed    ~2594 MHz
    Cores / Threads    2 / 4
    Features    SSE, SSE2, SSE3, SSSE3, SSE4_1, SSE4_2, AVX
    
Video Card    Intel(R) HD Graphics 4000
    Dedicated Video RAM    32 MB
    Dedicated System RAM    0 MB
    Shared System RAM    1.760 MB
    Vendor ID    0x8086
    Device ID    0x0166
    Subsystem ID    0x390417AA
    Revision    9
    LUID    0x00015919
    Flags    SupportNonMonitoredFences, KeyedMutexConformance
    Graphics Preemption    DmaBufferBoundary
    Compute Preemption    ThreadGroupBoundary
    Outputs    1
    Feature Level    Direct3D_11_0
    DXGI Formats    A8_UNorm, B8G8R8A8_UNorm, R16G16B16A16_UNorm, R16G16B16A16_Float, R32G32B32A32_Float
    Buffer Precision    UNorm8bpc, UNorm8bpcSrgb, UNorm16bpc, Float16bpc, Float32bpc
    
Video Card    Microsoft Basic Render Driver
    Dedicated Video RAM    0 MB
    Dedicated System RAM    0 MB
    Shared System RAM    4.023 MB
    Vendor ID    0x1414
    Device ID    0x008C
    Subsystem ID    0x00000000
    Revision    0
    LUID    0x00015B40
    Flags    Software, AcgCompatible, SupportMonitoredFences, SupportNonMonitoredFences, KeyedMutexConformance
    Graphics Preemption    InstructionBoundary
    Compute Preemption    InstructionBoundary
    Outputs    0
    Feature Level    Direct3D_12_1
    DXGI Formats    A8_UNorm, B8G8R8A8_UNorm, R16G16B16A16_UNorm, R16G16B16A16_Float, R32G32B32A32_Float
    Buffer Precision    UNorm8bpc, UNorm8bpcSrgb, UNorm16bpc, Float16bpc, Float32bpc