Crash report: running a query

date/time         : 2011-06-22, 16:35:46, 385ms
operating system  : Windows XP Service Pack 3 build 2600
system language   : Spanish
system up time    : 4 hours 43 minutes
program up time   : 9 minutes 50 seconds
processors        : 2x Intel(R) Pentium(R) 4 CPU 3.00GHz
physical memory   : 305/991 MB (free/total)
free disk space   : (C:) 4,53 GB (E:) 10,82 GB
display mode      : 1280x1024, 32 bit
process id        : $dd4
allocated memory  : 17,40 MB
executable        : heidisql.exe
exec. date/time   : 2011-06-22 09:19
version           : 6.0.0.3891
compiled with     : Delphi XE
madExcept version : 3.0m beta 1
callstack crc     : $29ea261d, $ded09b1a, $ded09b1a
exception number  : 1
exception class   : EAccessViolation
exception message : Access violation at address 005E39EE in module 'heidisql.exe'. Write of address 00000008.
main thread ($bc4):
005e39ee heidisql.exe SynTextDrawer  934  +36 AdjustLastCharWidthAndRect
005e3a22 heidisql.exe SynTextDrawer  939   +2 TheTextDrawer.ExtTextOut
005f3a6d heidisql.exe SynEdit       3097  +66 PaintToken
005f40d5 heidisql.exe SynEdit       3253  +63 PaintHighlightToken
005f43d6 heidisql.exe SynEdit       3372  +29 AddHighlightToken
005f4c62 heidisql.exe SynEdit       3599 +182 PaintLines
005f4ff0 heidisql.exe SynEdit       3687  +53 TCustomSynEdit.PaintTextLines
005f253c heidisql.exe SynEdit       2558  +60 TCustomSynEdit.Paint
004f328b heidisql.exe Controls                TCustomControl.PaintWindow
004ed9e5 heidisql.exe Controls                TWinControl.PaintHandler
004ee1c4 heidisql.exe Controls                TWinControl.WMPaint
004f3225 heidisql.exe Controls                TCustomControl.WMPaint
004e8f68 heidisql.exe Controls                TControl.WndProc
004ed82c heidisql.exe Controls                TWinControl.WndProc
005faaa0 heidisql.exe SynEdit       6197  +22 TCustomSynEdit.WndProc
004ececc heidisql.exe Controls                TWinControl.MainWndProc
004ab73c heidisql.exe Classes                 StdWndProc
7c91e470 ntdll.dll                            KiUserCallbackDispatcher
7e398a0b USER32.dll                           DispatchMessageW
00587a87 heidisql.exe Forms                   TApplication.ProcessMessage
00587aca heidisql.exe Forms                   TApplication.HandleMessage
00587df5 heidisql.exe Forms                   TApplication.Run
008008c3 heidisql.exe heidisql        66  +16 initialization