Hallo, bei mir stürzt die beta jedes mal ab, wenn ich anfange Schienen zu verlegen
Ich habe auch bereits alle newgrf deaktiviert, das hat nichts gebracht.
Ich hab den Fehlerreport mal hier reinkopiert, vll kann ja jemand was damit anfangen:

*** OpenTTD Crash Report ***

Crash at: Thu Dec 30 05:49:51 2010
In game date: 1950-01-11 (12)

Crash reason:
Exception: E1212012
Location: 762042EB
Message: Assertion failed at line 1024 of ..\src\viewport.cpp: type < HT_DIR_END

OpenTTD version:
Version: r21615 (0)
NewGRF ver: 1100546f
Bits: 32
Endian: little
Dedicated: no
Build date: Dec 23 2010 23:18:25

Registers:
EAX: 0012F3D8 EBX: 00000016 ECX: 00000000 EDX: 77669A94
ESI: 00BCCD08 EDI: 00000000 EBP: 0012F428 ESP: 0012F3D8
EIP: 762042EB EFLAGS: 00200246

Bytes at instruction pointer:
C9 C2 10 00 90 90 90 90 90 6A 10 68 80 43 20 76 E8 A0 7F 00 00 8B 45 0C

Stack trace:
E1212012 00000000 00000000 762042EB 00000000 00000000 0012F3AC 00000000
0012F454 775051BA 728BA76D FFFFFFFE 77668A94 7763FB7D FFFFFFFF 00000024
0012F424 00000004 00000000 00000016 0012F488 0057014D E1212012 00000000
00000000 00000000 00642B76 00000016 05D0CD8E 0012F7D0 00000200 00000007
7764DB2C FFFFFFFF 00000000 0012F470 0057013D 00000001 0012F448 0012EFF4
0012FF78 00648D60 0578240E FFFFFFFE 0012F7C0 00641FB0 00000016 00000200
776699CE 0012F4AC 00000018 0012FF78 77669980 0116F5F8 00000082 00000000
00000000 774ABA59 774B49E7 774AB04F 00080292 00000006 00000001 00000000
000102D4 00000202 00000000 00000000 00220000 0029B548 0000025C 00000000
01AF000F 00000111 000102D0 00080292 00000001 0029AB70 00000001 0029B540
0012F52C 77675883 00000000 00010003 0012F71C 0012F5C0 774FCD14 00220000
00000000 0029B540 00000001 0012F71C 00000001 00000000 00000000 00000780
0000041A 00000000 00C2BE08 00000010 0000001C 0000000F 00080292 00000006
00000000 00000000 00000172 00000008 50022080 00000000 00000000 00000035
00007F01 0029B548 00000001 0000000F 00000020 7F01FFFF 0000009F 00000000
000001DF 0029B5C8 0012F710 774FD25E 00000010 0012F7D0 00000200 774FD296
00000001 75F46F98 75F46100 00244874 0021077C 002C507C 00305480 00204470
00000000 00000000 774FD2B4 00000000 00000001 00904834 00B06C54 00D49480
004C1808 006C2C18 00FC7C00 00FC9400 00FCAC00 00FCC400 00FC3C00 00FC5400
00FC6C00 00140000 00FF0000 00000000 00000000 00F0D000 00000000 0012F670
00004BCC 0012F778 00420D37 D8187058 00717122 00004BCC 00000000 0000003C
00000000 00000022 0012F738 01E068D0 0012F754 74EDAFD2 00000022 00000000
0012F854 00000129 00010000 00020001 000000A0 00000019 00000011 00000004
00000003 00000000 00000000 00000004 00000003 00000000 00000000 00000008

Operating system:
Name: Windows
Release: 6.0.6001 (Service Pack 1)
Compiler: MSVC 1500

Configuration:
Blitter: 8bpp-optimized
Graphics set: OpenGFX (589)
Language: C:\Program Files\OpenTTD 1.1 beta\lang\german.lng
Music driver: dmusic
Music set: NoMusic (0)
Network: no
Sound driver: win32
Sound set: NoSound (2)
Video driver: win32

AI Configuration (local: 0):
0: Human

Libraries:
FreeType: 2.4.4
ICU: 4.4.2
LZMA: 5.0.0
LZO: 2.03
PNG: 1.4.5
Zlib: 1.2.5

Module information:
C:\Program Files\OpenTTD 1.1 beta\openttd.exe handle: 00400000 size: 8204288 crc: 3E0BC7D5 date: 2010-12-23 23:21:30
C:\Windows\system32\ntdll.dll handle: 77610000 size: 1203792 crc: 7CFCEC95 date: 2008-01-19 07:38:14
C:\Windows\system32\kernel32.dll handle: 761C0000 size: 888832 crc: 62FA7623 date: 2009-02-13 08:49:05
C:\Windows\system32\WINMM.dll handle: 74530000 size: 189952 crc: D22FC585 date: 2008-01-19 07:36:55
C:\Windows\system32\msvcrt.dll handle: 76110000 size: 680448 crc: E5AE7FEC date: 2008-01-19 07:35:15
C:\Windows\system32\USER32.dll handle: 774A0000 size: 627200 crc: B687ED70 date: 2008-01-19 07:36:46
C:\Windows\system32\GDI32.dll handle: 75F40000 size: 296960 crc: AA2880BF date: 2008-10-21 05:25:18
C:\Windows\system32\ADVAPI32.dll handle: 77540000 size: 798720 crc: F58CDFCB date: 2008-01-19 07:33:43
C:\Windows\system32\RPCRT4.dll handle: 762A0000 size: 784896 crc: 091E6675 date: 2009-10-29 21:00:20
C:\Windows\system32\ole32.dll handle: 75FC0000 size: 1315840 crc: EADF60F9 date: 2010-06-28 16:15:53
C:\Windows\system32\OLEAUT32.dll handle: 777E0000 size: 563200 crc: B69E10E1 date: 2008-01-19 07:36:01
C:\Windows\system32\OLEACC.dll handle: 744F0000 size: 215040 crc: EF3061D3 date: 2008-01-19 07:36:01
C:\Windows\system32\WS2_32.dll handle: 777A0000 size: 179200 crc: 5D581120 date: 2008-01-19 07:37:09
C:\Windows\system32\NSI.dll handle: 77740000 size: 8192 crc: 10729B39 date: 2008-01-19 07:35:57
C:\Windows\system32\SHELL32.dll handle: 763F0000 size: 11581440 crc: D227D0FC date: 2010-07-26 16:55:26
C:\Windows\system32\SHLWAPI.dll handle: 76F80000 size: 351744 crc: F95C1869 date: 2008-01-19 07:36:29
C:\Windows\system32\IMM32.DLL handle: 75F10000 size: 114688 crc: 57C1E0CD date: 2008-01-19 07:34:33
C:\Windows\system32\MSCTF.dll handle: 773D0000 size: 806912 crc: 66ABCC79 date: 2008-01-19 07:34:55
C:\Windows\system32\LPK.DLL handle: 75F30000 size: 23552 crc: 3277B148 date: 2009-10-29 05:12:11
C:\Windows\system32\USP10.dll handle: 76F00000 size: 501760 crc: B31698DF date: 2010-04-16 16:10:45
C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.6001.18523_none_5cdd65e20837faf2\comctl32.dll handle: 74C00000 size: 1684480 crc: 10F59626 date: 2010-08-31 15:39:57
C:\Windows\system32\SHFolder.dll handle: 710F0000 size: 7168 crc: 1CA14A5C date: 2006-11-02 09:46:13
C:\Windows\system32\wdmaud.drv handle: 74380000 size: 166912 crc: 5FC059D1 date: 2008-01-19 07:32:56
C:\Windows\system32\ksuser.dll handle: 744C0000 size: 4608 crc: 4C647881 date: 2006-11-02 09:46:05
C:\Windows\system32\MMDevAPI.DLL handle: 74E70000 size: 149504 crc: 29FF5B91 date: 2008-01-19 07:34:49
C:\Windows\system32\AVRT.dll handle: 750C0000 size: 12800 crc: EB589AA0 date: 2008-01-19 07:33:47
C:\Windows\system32\SETUPAPI.dll handle: 77110000 size: 1590272 crc: BB6B35BF date: 2008-01-19 07:36:24
C:\Windows\system32\WINTRUST.dll handle: 75000000 size: 171520 crc: C9743EA8 date: 2009-12-23 12:43:08
C:\Windows\system32\CRYPT32.dll handle: 757C0000 size: 977408 crc: 49821E3F date: 2008-01-19 07:34:00
C:\Windows\system32\MSASN1.dll handle: 75920000 size: 61440 crc: E103EE1A date: 2009-10-29 05:06:24
C:\Windows\system32\USERENV.dll handle: 75D30000 size: 108032 crc: AC76B003 date: 2008-01-19 07:36:46
C:\Windows\system32\Secur32.dll handle: 75D10000 size: 72704 crc: ECF8151E date: 2009-06-15 15:24:05
C:\Windows\system32\imagehlp.dll handle: 75F90000 size: 153088 crc: EEF49677 date: 2008-01-19 07:34:32
C:\Windows\system32\AUDIOSES.DLL handle: 741B0000 size: 116224 crc: 30C70121 date: 2008-01-19 07:33:45
C:\Windows\system32\audioeng.dll handle: 74140000 size: 397312 crc: 17666E45 date: 2008-01-19 07:33:45
C:\Windows\system32\PSAPI.DLL handle: 75DE0000 size: 12288 crc: D7B812C5 date: 2006-11-02 09:46:12
C:\Windows\system32\msacm32.drv handle: 740B0000 size: 21504 crc: 1F6A62A4 date: 2008-01-19 07:32:56
C:\Windows\system32\MSACM32.dll handle: 74090000 size: 71680 crc: A2E8F836 date: 2008-01-19 07:34:54
C:\Windows\system32\midimap.dll handle: 73FE0000 size: 17408 crc: 44FD6876 date: 2008-01-19 07:34:46
C:\Windows\system32\CLBCatQ.DLL handle: 75E80000 size: 523776 crc: C2EBF5E6 date: 2008-01-19 07:33:52
C:\Windows\system32\uxtheme.dll handle: 74ED0000 size: 240128 crc: 5F29223E date: 2008-01-19 07:36:47
C:\Windows\system32\dmime.dll handle: 67640000 size: 178688 crc: 3063C87B date: 2008-01-19 07:34:04
C:\Windows\system32\DSOUND.dll handle: 74760000 size: 444416 crc: 1F6BF3CC date: 2008-01-19 07:34:07
C:\Windows\system32\POWRPROF.dll handle: 751B0000 size: 97280 crc: 968A09AC date: 2008-01-19 07:36:07
C:\Windows\system32\dmusic.dll handle: 676A0000 size: 101888 crc: C5478A00 date: 2008-01-19 07:34:04
C:\Windows\system32\dmsynth.dll handle: 67D90000 size: 105472 crc: 246B7E26 date: 2008-01-19 07:34:04
C:\Windows\system32\dmloader.dll handle: 67D80000 size: 38400 crc: 43D1875C date: 2008-01-19 07:34:04
C:\Windows\system32\mswsock.dll handle: 754D0000 size: 223232 crc: 3746AAB9 date: 2008-01-19 07:35:15
C:\Windows\System32\wshtcpip.dll handle: 75190000 size: 9216 crc: 10C50FC1 date: 2008-01-19 07:37:11

---- gamelog start ----
Tick 0: new game started
Revision text changed to r21615, savegame version 155, not modified, _openttd_newgrf_version = 0x1100546f
New game mode: 1 landscape: 0
---- gamelog end ----

*** End of OpenTTD Crash Report ***

Decoded stack trace:
[00] ??? 0x762042EB cm{wRaiseException + 88
[01] ??? 0x0057014D
[02] ??? 0x00641FB0
[03] ??? 0x0042F807
[04] ??? 0x00449878
[05] ??? 0x00449BBA
[06] ??? 0x0044A416
[07] ??? 0x0044A68C
[08] ??? 0x0044A724
[09] ??? 0x0044F0F1
[10] ??? 0x004511E1
[11] ??? 0x0045117A
[12] ??? 0x00451151
[13] ??? 0x0045123F
[14] ??? 0x0041B622
[15] ??? 0x0045348A
[16] ??? 0x0056ED68

*** End of additional info ***

mfg