UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3374.0 Safari/537.36

Example URL:
http://www.vbox7.com, http://play.nova.bg

Steps to reproduce the problem:
1. The videos on the above mentioned web sites do not play. 
2. 
3. 

What is the expected behavior?
The videos should play smoothly like on http://www.YouTube.com

What went wrong?
The videos on the above mentioned web sites do not play.

Did this work before? N/A 

Is it a problem with Flash or HTML5? N/A

Does this work in other browsers? Yes

Chrome version: 67.0.3374.0  Channel: n/a
OS Version: 10.0
Flash Version: 

Contents of chrome://gpu: 
Graphics Feature Status
Canvas: Hardware accelerated
CheckerImaging: Enabled
Flash: Hardware accelerated
Flash Stage3D: Hardware accelerated
Flash Stage3D Baseline profile: Hardware accelerated
Compositing: Hardware accelerated
Multiple Raster Threads: Disabled
Native GpuMemoryBuffers: Software only. Hardware acceleration disabled
Rasterization: Unavailable
Surface Synchronization: Enabled
Video Decode: Unavailable
Viz Service Display Compositor: Disabled
WebGL: Hardware accelerated
WebGL2: Unavailable
Driver Bug Workarounds
clear_uniforms_before_first_program_use
decode_encode_srgb_for_generatemipmap
disable_accelerated_vpx_decode
disable_d3d11
disable_discard_framebuffer
disable_framebuffer_cmaa
disable_larger_than_screen_overlays
exit_on_context_lost
force_cube_complete
msaa_is_slow
scalarize_vec_and_mat_constructor_args
texsubimage_faster_than_teximage
Problems Detected
Accelerated video decode interferes with GPU sandbox on older Intel drivers: 180695, 298968, 436968
Disabled Features: accelerated_video_decode
GPU rasterization should only be enabled on NVIDIA and Intel DX11+, and AMD RX-R2 GPUs for now.: 643850
Disabled Features: gpu_rasterization
Old Intel drivers cannot reliably support D3D11/WebGL2: 363721
Disabled Features: accelerated_webgl2
Some drivers are unable to reset the D3D device in the GPU process sandbox
Applied Workarounds: exit_on_context_lost
TexSubImage is faster for full uploads on ANGLE
Applied Workarounds: texsubimage_faster_than_teximage
Clear uniforms before first program use on all platforms: 124764, 349137
Applied Workarounds: clear_uniforms_before_first_program_use
Always rewrite vec/mat constructors to be consistent: 398694
Applied Workarounds: scalarize_vec_and_mat_constructor_args
Old Intel drivers cannot reliably support D3D11: 363721
Applied Workarounds: disable_d3d11
ANGLE crash on glReadPixels from incomplete cube map texture: 518889
Applied Workarounds: force_cube_complete
On Intel GPUs MSAA performance is not acceptable for GPU rasterization: 527565
Applied Workarounds: msaa_is_slow
Framebuffer discarding can hurt performance on non-tilers: 570897
Applied Workarounds: disable_discard_framebuffer
Use GL_INTEL_framebuffer_CMAA on ChromeOS: 535198
Applied Workarounds: disable_framebuffer_cmaa
Disable KHR_blend_equation_advanced until cc shaders are updated: 661715
Applied Workarounds: disable(GL_KHR_blend_equation_advanced), disable(GL_KHR_blend_equation_advanced_coherent)
Decode and Encode before generateMipmap for srgb format textures on Windows: 634519
Applied Workarounds: decode_encode_srgb_for_generatemipmap
Accelerated VPx decoding is hanging on some videos.: 654111
Applied Workarounds: disable_accelerated_vpx_decode
Overlay sizes bigger than screen aren't accelerated on some Intel drivers: 720059
Applied Workarounds: disable_larger_than_screen_overlays
Don't expose disjoint_timer_query extensions to WebGL: 808744
Raster is using a single thread.
Disabled Features: multiple_raster_threads
Native GpuMemoryBuffers have been disabled, either via about:flags or command line.
Disabled Features: native_gpu_memory_buffers
Viz service display compositor is not enabled by default.
Disabled Features: viz_display_compositor
Version Information
Data exported	2018-03-17T17:22:45.636Z
Chrome version	Chrome/67.0.3374.0
Operating system	Windows NT 10.0.16299
Software rendering list URL	https://chromium.googlesource.com/chromium/src/+/d5de76a8f40f419243777dbeb73c126d0829ab01/gpu/config/software_rendering_list.json
Driver bug list URL	https://chromium.googlesource.com/chromium/src/+/d5de76a8f40f419243777dbeb73c126d0829ab01/gpu/config/gpu_driver_bug_list.json
ANGLE commit id	dfebe9b2d5d9
2D graphics backend	Skia/67 876dd31483bc204b42cb593bca6f43ac5f548156-
Command Line	"C:\Program Files (x86)\Chromium\chrome-win32\chrome.exe" --flag-switches-begin --flag-switches-end
Driver Information
Initialization time	348
In-process GPU	false
Passthrough Command Decoder	true
Direct Composition	false
Supports overlays	false
Sandboxed	true
GPU0	VENDOR = 0x8086, DEVICE= 0x2a42 *ACTIVE*
GPU1	VENDOR = 0x8086, DEVICE= 0x2a43
Optimus	false
Optimus	false
AMD switchable	false
Desktop compositing	Aero Glass
Diagonal Monitor Size of \\.\DISPLAY1	15.5"
Driver vendor	Intel Corporation
Driver version	8.15.10.2702
Driver date	3-11-2013
Pixel shader version	3.0
Vertex shader version	3.0
Max. MSAA samples	1
Machine model name	
Machine model version	
GL_VENDOR	Google Inc.
GL_RENDERER	ANGLE (Mobile Intel(R) 4 Series Express Chipset Family (Microsoft Corporation - WDDM 1.1) Direct3D9Ex vs_3_0 ps_3_0)
GL_VERSION	OpenGL ES 2.0 (ANGLE 2.1.0.dfebe9b2d5d9)
GL_EXTENSIONS	GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_frag_depth GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_fence GL_NV_pack_subimage GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object
Disabled Extensions	GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent
Disabled WebGL Extensions	EXT_disjoint_timer_query EXT_disjoint_timer_query_webgl2
Window system binding vendor	Google Inc. (adapter LUID: 0000000000006c5c)
Window system binding version	1.4 (ANGLE 2.1.0.dfebe9b2d5d9)
Window system binding extensions	EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled
Direct rendering	Yes
Reset notification strategy	0x8252
GPU process crash count	0
Compositor Information
Tile Update Mode	One-copy
Partial Raster	Enabled
GpuMemoryBuffers Status
ATC	Software only
ATCIA	Software only
DXT1	Software only
DXT5	Software only
ETC1	Software only
R_8	Software only
R_16	Software only
RG_88	Software only
BGR_565	Software only
RGBA_4444	Software only
RGBX_8888	GPU_READ, SCANOUT
RGBA_8888	GPU_READ, SCANOUT
BGRX_8888	Software only
BGRX_1010102	Software only
RGBX_1010102	Software only
BGRA_8888	Software only
RGBA_F16	Software only
YVU_420	Software only
YUV_420_BIPLANAR	Software only
UYVY_422	Software only
Display(s) Information
Info	Display[2528732444] bounds=[0,0 1366x768], workarea=[0,0 1366x738], scale=1, external.
Color space information	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Bits per color component	8
Bits per pixel	24
Video Acceleration Information
Encode h264 baseline	up to 3840x2176 pixels and/or 30.000 fps
Encode h264 main	up to 3840x2176 pixels and/or 30.000 fps
Encode h264 high	up to 3840x2176 pixels and/or 30.000 fps
Diagnostics
0
b3DAccelerationEnabled	true
b3DAccelerationExists	true
bAGPEnabled	true
bAGPExistenceValid	true
bAGPExists	true
bCanRenderWindow	true
bDDAccelerationEnabled	true
bDriverBeta	false
bDriverDebug	false
bDriverSigned	false
bDriverSignedValid	false
bNoHardware	false
dwBpp	32
dwDDIVersion	10
dwHeight	768
dwRefreshRate	60
dwWHQLLevel	0
dwWidth	1366
iAdapter	0
lDriverSize	6593816
lMiniVddSize	0
szAGPStatusEnglish	Enabled
szAGPStatusLocalized	Enabled
szChipType	Mobile Intel(R) 4 Series Express Chipset Family
szD3DStatusEnglish	Enabled
szD3DStatusLocalized	Enabled
szDACType	Internal
szDDIVersionEnglish	10
szDDIVersionLocalized	10
szDDStatusEnglish	Enabled
szDDStatusLocalized	Enabled
szDXVAHDEnglish	Supported
szDXVAModes	ModeMPEG2_A ModeMPEG2_C ModeWMV9_B ModeWMV9_C ModeVC1_B ModeVC1_C
szDescription	Mobile Intel(R) 4 Series Express Chipset Family (Microsoft Corporation - WDDM 1.1)
szDeviceId	0x2A42
szDeviceIdentifier	{D7B78E66-6902-11CF-4778-0ADFA7C2C535}
szDeviceName	\\.\DISPLAY1
szDisplayMemoryEnglish	1759 MB
szDisplayMemoryLocalized	1759 MB
szDisplayModeEnglish	1366 x 768 (32 bit) (60Hz)
szDisplayModeLocalized	1366 x 768 (32 bit) (60Hz)
szDriverAssemblyVersion	8.15.10.2702
szDriverAttributes	Final Retail
szDriverDateEnglish	11.3.2013 г. 02:00:00 ч.
szDriverDateLocalized	3/11/2013 02:00:00
szDriverLanguageEnglish	English
szDriverLanguageLocalized	English
szDriverModelEnglish	WDDM 1.1
szDriverModelLocalized	WDDM 1.1
szDriverName	igdumd64.dll,igd10umd64.dll
szDriverNodeStrongName	oem32.inf:5f63e5348ad1f097:iCNT0:8.15.10.2702:pci\ven_8086&dev_2a42
szDriverSignDate	Unknown
szDriverVersion	8.15.0010.2702
szKeyDeviceID	Enum\PCI\VEN_8086&DEV_2A42&SUBSYS_FF001179&REV_07
szKeyDeviceKey	\Registry\Machine\System\CurrentControlSet\Control\Video\{BB697264-F787-11E7-ADE5-E4581A3E8433}\0000
szManufacturer	Intel Corporation
szMiniVdd	unknown
szMiniVddDateEnglish	Unknown
szMiniVddDateLocalized	unknown
szMonitorMaxRes	Unknown
szMonitorName	Generic PnP Monitor
szNotesEnglish	No problems found.
szNotesLocalized	No problems found.
szOverlayEnglish	Supported
szRankOfInstalledDriver	00EC2001
szRegHelpText	Unknown
szRevision	Unknown
szRevisionId	0x0007
szSubSysId	0xFF001179
szTestResultD3D7English	Not run
szTestResultD3D7Localized	Not run
szTestResultD3D8English	Not run
szTestResultD3D8Localized	Not run
szTestResultD3D9English	Not run
szTestResultD3D9Localized	Not run
szTestResultDDEnglish	Not run
szTestResultDDLocalized	Not run
szVdd	unknown
szVendorId	0x8086
Log Messages
[9432:5436:0317/160634.571:ERROR:gles2_cmd_decoder_passthrough_doers.cc(4126)] : NOT IMPLEMENTED
[9432:5436:0317/163636.343:ERROR:gles2_cmd_decoder_passthrough_doers.cc(4126)] : NOT IMPLEMENTED
[9432:5436:0317/174717.992:WARNING:ipc_message_attachment_set.cc(49)] : MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[9432:5436:0317/183046.561:ERROR:gles2_cmd_decoder_passthrough_doers.cc(4126)] : NOT IMPLEMENTED
[9432:5436:0317/190237.260:ERROR:gles2_cmd_decoder_passthrough_doers.cc(4126)] : NOT IMPLEMENTED
[9432:5436:0317/191636.524:ERROR:gles2_cmd_decoder_passthrough_doers.cc(4126)] : NOT IMPLEMENTED
GpuProcessHostUIShim: The GPU process exited normally. Everything is okay.

I do not have these problems with other browsers like "Pale Moon" and "Google Chrome".