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Lightroom: 4.1 RC2 freezes (Win 7)

Lightroom 4 RC2 frequently freezes and stops responding. I have disabled plugins and it still happens randomly. I can not detect any type of pattern. Sometimes it happens when I am clicking through images in the library module, sometimes in develop module. System info as follows: Lightroom version: 4.1 RC 2 [825534]
Operating system: Windows 7 Business Edition
Version: 6.1 [7601]
Application architecture: x64
System architecture: x64
Physical processor count: 4
Processor speed: 3,1 GHz
Built-in memory: 16365,4 MB
Real memory available to Lightroom: 16365,4 MB
Real memory used by Lightroom: 1140,1 MB (6,9%)
Virtual memory used by Lightroom: 1146,3 MB
Memory cache size: 43,1 MB
System DPI setting: 96 DPI
Desktop composition enabled: Yes
Displays: 1) 1680x1050, 2) 1280x1024

Application folder: C:\Program Files\Adobe\Adobe Photoshop Lightroom 4 RC2
Library Path: E:\Lightroom 4 Catalog\Lightroom 4 Catalog.lrcat
Settings Folder: C:\Users\Bryan\AppData\Roaming\Adobe\Lightroom

Adapter #1: Vendor : 1002
Device : 9440
Subsystem : 22671787
Revision : 0
Video Memory : 1005
AudioDeviceIOBlockSize: 1024
AudioDeviceName: Speakers (Realtek High Definition Audio)
AudioDeviceNumberOfChannels: 2
AudioDeviceSampleRate: 44100
Build: 6.0x552
Direct2DEnabled: false
GL_ALPHA_BITS: 8
GL_BLUE_BITS: 8
GL_GREEN_BITS: 8
GL_MAX_3D_TEXTURE_SIZE: 8192
GL_MAX_TEXTURE_SIZE: 8192
GL_MAX_TEXTURE_UNITS: 8
GL_MAX_VIEWPORT_DIMS: 8192,8192
GL_RED_BITS: 8
GL_RENDERER: ATI Radeon HD 4800 Series
GL_SHADING_LANGUAGE_VERSION: 3.30
GL_VENDOR: ATI Technologies Inc.
GL_VERSION: 3.3.11631 Compatibility Profile Context
OGLEnabled: true
OGLPresent: true
GL_EXTENSIONS: GL_AMDX_debug_output GL_AMDX_vertex_shader_tessellator GL_AMD_conservative_depth GL_AMD_debug_output GL_AMD_depth_clamp_separate GL_AMD_draw_buffers_blend GL_AMD_name_gen_delete GL_AMD_performance_monitor GL_AMD_pinned_memory GL_AMD_sample_positions GL_AMD_seamless_cubemap_per_texture GL_AMD_shader_stencil_export GL_AMD_texture_cube_map_array GL_AMD_texture_texture4 GL_AMD_vertex_shader_tessellator GL_ARB_ES2_compatibility GL_ARB_base_instance GL_ARB_blend_func_extended GL_ARB_color_buffer_float GL_ARB_compressed_texture_pixel_storage GL_ARB_conservative_depth GL_ARB_copy_buffer GL_ARB_depth_buffer_float GL_ARB_depth_clamp GL_ARB_depth_texture GL_ARB_draw_buffers GL_ARB_draw_buffers_blend GL_ARB_draw_elements_base_vertex GL_ARB_draw_instanced GL_ARB_explicit_attrib_location GL_ARB_fragment_coord_conventions GL_ARB_fragment_program GL_ARB_fragment_program_shadow GL_ARB_fragment_shader GL_ARB_framebuffer_object GL_ARB_framebuffer_sRGB GL_ARB_geometry_shader4 GL_ARB_get_program_binary GL_ARB_half_float_pixel GL_ARB_half_float_vertex GL_ARB_imaging GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_map_buffer_alignment GL_ARB_map_buffer_range GL_ARB_multisample GL_ARB_multitexture GL_ARB_occlusion_query GL_ARB_occlusion_query2 GL_ARB_pixel_buffer_object GL_ARB_point_parameters GL_ARB_point_sprite GL_ARB_provoking_vertex GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_seamless_cube_map GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding GL_ARB_shader_objects GL_ARB_shader_precision GL_ARB_shader_stencil_export GL_ARB_shader_texture_lod GL_ARB_shading_language_100 GL_ARB_shading_language_420pack GL_ARB_shading_language_packing GL_ARB_shadow GL_ARB_shadow_ambient GL_ARB_sync GL_ARB_texture_border_clamp GL_ARB_texture_buffer_object GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_compression GL_ARB_texture_compression_rgtc GL_ARB_texture_cube_map GL_ARB_texture_cube_map_array GL_ARB_texture_env_add GL_ARB_texture_env_combine GL_ARB_texture_env_crossbar GL_ARB_texture_env_dot3 GL_ARB_texture_float GL_ARB_texture_gather GL_ARB_texture_mirrored_repeat GL_ARB_texture_multisample GL_ARB_texture_non_power_of_two GL_ARB_texture_query_lod GL_ARB_texture_rectangle GL_ARB_texture_rg GL_ARB_texture_rgb10_a2ui GL_ARB_texture_snorm GL_ARB_texture_storage GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_transform_feedback_instanced GL_ARB_transpose_matrix GL_ARB_uniform_buffer_object GL_ARB_vertex_array_bgra GL_ARB_vertex_array_object GL_ARB_vertex_buffer_object GL_ARB_vertex_program GL_ARB_vertex_shader GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_ARB_window_pos GL_ATI_draw_buffers GL_ATI_envmap_bumpmap GL_ATI_fragment_shader GL_ATI_meminfo GL_ATI_separate_stencil GL_ATI_texture_compression_3dc GL_ATI_texture_env_combine3 GL_ATI_texture_float GL_ATI_texture_mirror_once GL_EXT_abgr GL_EXT_bgra GL_EXT_bindable_uniform GL_EXT_blend_color GL_EXT_blend_equation_separate GL_EXT_blend_func_separate GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_compiled_vertex_array GL_EXT_copy_buffer GL_EXT_copy_texture GL_EXT_direct_state_access GL_EXT_draw_buffers2 GL_EXT_draw_instanced GL_EXT_draw_range_elements GL_EXT_fog_coord GL_EXT_framebuffer_blit GL_EXT_framebuffer_multisample GL_EXT_framebuffer_object GL_EXT_framebuffer_sRGB GL_EXT_geometry_shader4 GL_EXT_gpu_program_parameters GL_EXT_gpu_shader4 GL_EXT_histogram GL_EXT_multi_draw_arrays GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_packed_pixels GL_EXT_pixel_buffer_object GL_EXT_point_parameters GL_EXT_provoking_vertex GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_separate_specular_color GL_EXT_shadow_funcs GL_EXT_stencil_wrap GL_EXT_subtexture GL_EXT_texgen_reflection GL_EXT_texture3D GL_EXT_texture_array GL_EXT_texture_buffer_object GL_EXT_texture_compression_latc GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc GL_EXT_texture_cube_map GL_EXT_texture_edge_clamp GL_EXT_texture_env_add GL_EXT_texture_env_combine GL_EXT_texture_env_dot3 GL_EXT_texture_filter_anisotropic GL_EXT_texture_integer GL_EXT_texture_lod GL_EXT_texture_lod_bias GL_EXT_texture_mirror_clamp GL_EXT_texture_object GL_EXT_texture_rectangle GL_EXT_texture_sRGB GL_EXT_texture_shared_exponent GL_EXT_texture_snorm GL_EXT_texture_storage GL_EXT_texture_swizzle GL_EXT_timer_query GL_EXT_transform_feedback GL_EXT_vertex_array GL_EXT_vertex_array_bgra GL_IBM_texture_mirrored_repeat GL_KTX_buffer_region GL_NV_blend_square GL_NV_conditional_render GL_NV_copy_depth_to_color GL_NV_copy_image GL_NV_explicit_multisample GL_NV_float_buffer GL_NV_half_float GL_NV_primitive_restart GL_NV_texgen_reflection GL_NV_texture_barrier GL_SGIS_generate_mipmap GL_SGIS_texture_edge_clamp GL_SGIS_texture_lod GL_SUN_multi_draw_arrays GL_WIN_swap_hint WGL_EXT_swap_control

any info would be very helpful.
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  • I’m frustrated
    I have the same problem. Lightroom 4 RC2 worked well for first week or so then it constantly and randomly whenever trying to develop goes dead for a minute or two and showed "Not Responding" in title bar,over and over and over. took me hours just to work on one Photo. It always comes back and whatever I do I cannot get it to stop pegging CPU at 100% Ram is 8 Gigs and it never goes over 2.8

    I have noticed that upon installing Quicktime which Lightroom 4 said was needed to work on video that Lightroom slowed way down. I will unistall Quicktime to see if anything changes.
    Otherwise this is horrible- I mean Really??
    • I uninstalled QuickTime and Apple Update manager as well. Lightroom 4 RC2 runs some what better. It still locks up with "not responding" but not as often and now only in develop module. I have been watching and CPU is at 57-90% but when you just move the mouse over any part of the Develop Module screen CPU pegs at 100% constant.
      Please advise as to how to fix. Never had any sort of this issue with Lightroom 3 and Elements 9 and Snapseed all open at the same time.
      Thanks Mark
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  • Jeffrey Tranberry (Chief Customer Advocate) May 31, 2012 15:25
    Lightroom 4.1 (official version) is available. Please choose Help>Check for Updates... to install the latest version and let us know if you're still having issues. Thanks.
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