This is the log file that was generated, not sure if it's a resolution issue (I'm using the same res as before):

:Code:PID: 6972 : CPU: arch=x86-64 , fam=586 , cpus=4 : SIMD: SSE=3 , 3DNow=0 , MMX=1 : OS Version: 6.1.7601 Service Pack 1 : Desktop resolution: 1920 x 1080 : Virtual desktop resolution: 1920 x 1080 : ----------------------------------------------------------- : Command line: "D:\Thief2\thief2.exe" : ----------------------------------------------------------- : CWD: D:\Thief2 : ----------------------------------------------------------- : App Version: Thief 2 Final 1.27 : --------------------- misc config ------------------------- : resname_base .\patchedres+.\RES : load_path . : script_module_path . : movie_path .\MOVIES : install_path . : language english : fm : game_screen_size 1280 800 : game_screen_depth 32 : game_screen_flags 45 : game_full_screen 1 : d3d_driver_index 0 : game_hardware 1 : single_display_mode 2 : ui_scale_mode 2 : use_d3d_display : framerate_cap 100.0 : SlowFrame 4 : SlowFrameUI 10 : force_32bit : force_32bit_textures : mipmap_mode 2 : lm_mipmap_mode 0 : lm_init_texmem 2 : lm_filter_margin 1 : tex_edge_padding 2 : alpha_test_as_opaque : d3d_disp_enable_distortionfx : sfx_device 1 : sfx_channels 48 : sfx_vol_music -474 : sfx_vol_2d 0 : sfx_vol_3d 0 : game dark : obj_min -8192 : obj_max 2400 : max_refs 14000 : gui_font intrface\smalfont : enhanced_sky 1 : skip_intro : new_mantle : z_far 512 : wr_render_zcomp : render_weapon_particles : legacy_force_match_unrefs 0 : dark_zcomp_arm : edit_screen_size 1024, 768 : edit_screen_depth 16 : ----------------------------------------------------------- : Enumerating D3D9 adapters (1)... : Adapter 0 : device name: \\.\DISPLAY1 : driver : nvd3dum.dll : descr : NVIDIA GeForce GT 1030 : driver ver : 0x00170015-000D23A4 : vendor id : 0x000010DE : device id : 0x00001D01 : subsys id : 0x85F41043 : device guid: D7B71E3E-5E41-11CF-5750-F9A51BC2 : desktop res: 1920 x 1080 : Modes : 640 x 480 x 16 : 720 x 480 x 16 : 720 x 576 x 16 : 800 x 600 x 16 : 1024 x 768 x 16 : 1152 x 864 x 16 : unsupported mode 1176 x 664 x 16 (not in mode table) : unsupported mode 1176 x 664 x 16 (not in mode table) : unsupported mode 1176 x 664 x 16 (not in mode table) : 1280 x 720 x 16 : 1280 x 768 x 16 : 1280 x 800 x 16 : 1280 x 960 x 16 : 1280 x 1024 x 16 : 1360 x 768 x 16 : 1366 x 768 x 16 : 1600 x 900 x 16 : unsupported mode 1600 x 1024 x 16 (not in mode table) : unsupported mode 1600 x 1024 x 16 (not in mode table) : 1680 x 1050 x 16 : unsupported mode 1768 x 992 x 16 (not in mode table) : unsupported mode 1768 x 992 x 16 (not in mode table) : unsupported mode 1768 x 992 x 16 (not in mode table) : 1920 x 1080 x 16 : 1440 x 900 x 16 : 640 x 480 x 32 : 720 x 480 x 32 : 720 x 576 x 32 : 800 x 600 x 32 : 1024 x 768 x 32 : 1152 x 864 x 32 : unsupported mode 1176 x 664 x 32 (not in mode table) : unsupported mode 1176 x 664 x 32 (not in mode table) : unsupported mode 1176 x 664 x 32 (not in mode table) : 1280 x 720 x 32 : 1280 x 768 x 32 : 1280 x 800 x 32 : 1280 x 960 x 32 : 1280 x 1024 x 32 : 1360 x 768 x 32 : 1366 x 768 x 32 : 1600 x 900 x 32 : unsupported mode 1600 x 1024 x 32 (not in mode table) : unsupported mode 1600 x 1024 x 32 (not in mode table) : 1680 x 1050 x 32 : unsupported mode 1768 x 992 x 32 (not in mode table) : unsupported mode 1768 x 992 x 32 (not in mode table) : unsupported mode 1768 x 992 x 32 (not in mode table) : 1920 x 1080 x 32 : 1440 x 900 x 32 : Device Validation : validated ok, device added (0, E390000) : Enumeration done : D3DProvider: Enumerating adapter 0 modes : 640 x 480 x 16 : 720 x 480 x 16 : 720 x 576 x 16 : 800 x 600 x 16 : 1024 x 768 x 16 : 1152 x 864 x 16 : unsupported mode 1176 x 664 x 16 (not in mode table) : unsupported mode 1176 x 664 x 16 (not in mode table) : unsupported mode 1176 x 664 x 16 (not in mode table) : 1280 x 720 x 16 : 1280 x 768 x 16 : 1280 x 800 x 16 : 1280 x 960 x 16 : 1280 x 1024 x 16 : 1360 x 768 x 16 : 1366 x 768 x 16 : 1600 x 900 x 16 : unsupported mode 1600 x 1024 x 16 (not in mode table) : unsupported mode 1600 x 1024 x 16 (not in mode table) : 1680 x 1050 x 16 : unsupported mode 1768 x 992 x 16 (not in mode table) : unsupported mode 1768 x 992 x 16 (not in mode table) : unsupported mode 1768 x 992 x 16 (not in mode table) : 1920 x 1080 x 16 : 1440 x 900 x 16 : 640 x 480 x 32 : 720 x 480 x 32 : 720 x 576 x 32 : 800 x 600 x 32 : 1024 x 768 x 32 : 1152 x 864 x 32 : unsupported mode 1176 x 664 x 32 (not in mode table) : unsupported mode 1176 x 664 x 32 (not in mode table) : unsupported mode 1176 x 664 x 32 (not in mode table) : 1280 x 720 x 32 : 1280 x 768 x 32 : 1280 x 800 x 32 : 1280 x 960 x 32 : 1280 x 1024 x 32 : 1360 x 768 x 32 : 1366 x 768 x 32 : 1600 x 900 x 32 : unsupported mode 1600 x 1024 x 32 (not in mode table) : unsupported mode 1600 x 1024 x 32 (not in mode table) : 1680 x 1050 x 32 : unsupported mode 1768 x 992 x 32 (not in mode table) : unsupported mode 1768 x 992 x 32 (not in mode table) : unsupported mode 1768 x 992 x 32 (not in mode table) : 1920 x 1080 x 32 : 1440 x 900 x 32 : D3DProvider: Enumeration done : sw framerate cap requested (10000 us) : D3DProvider StartMode: smode 1280x800x32 ; mode 640x480x32 (5 9 0 2D) ; 2d_surf_mode: 0 : CreateDevice: res = D3D_OK ; 1280x800 fmt=22 zfmt=75 cnt=1 ms=0 swap=1 fs=1 hz=0 pres=1 flags=2