I got crash in dos version 0011 under WinXP when pressed ALT+F1 to change drive but only once, I cannot reproduce it again. 
 
 
----< NDN ERROR LOG START >----------------------------------------------------- 
DATE: 31.01.2024 05.12.53  
EXE : E:\NDN\NDN.PRG 
VER : Necromancer's Dos Navigator DPMI32 mode 
ADD : v3.00.0011-testv 21.01.2024 
EXT : D3X 
BASE: 029F0000 
OFFS: 0002D9E2 
ERR : D8h (216) 
ADDR: 02A1D9E2 
MSG : Access violation 
OSD : 20 (80x25) 
SYS : DPMI 
FILE: F:\THE-NDN\DRIVERS3.PAS(530) 
MEM : F2 AE 75 0D 4A 38 07 75 F7 85 C9 7E 04 49 47 EB (at CS:IP) 
CS  : 01B7 
DS  : 01AF 
SS  : 01AF 
SP  : 03117518 
MEMm: 00F00000 
MEMa: 00F1F9D8 
DS/ES/FS/GS/EFL: 01AF/0000/01DF/01AF/00000000 
EAX/EBX/ECX/EDX/ESI/EDI/EBP: 03262D7E/00000D04/0000000B/0000000B/00000019/03262D55/0311AB5C 
 
  =  File  Disk  Utilities  History  Panel  Manager  Options  Window  Imp 05.12  
ÉÍ[1]ÍÍÍÍÍÍÍÍÍÍÍ C:\ ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ?ÉÍÍÍÍÍÍÍÍÍÍÍÍÍ E:\NDN ÍÍÍÍÍÍÍÍÍÍ[][]Í? 
?    Name    ?  Size   ?  Date  ?  Time?    Name    ?  Size   ?  Date  ?  Time? 
?LINUX       ?<SUB-DIR>?29.04.23?03.30.°?..          ?<UP--DIR>?25.11.21?02.51.? 
?NOVAHV      ?<SUB-DIR>?16.06.23?04.37.??COLORS      ?<SUB-DIR>?26.11.21?03.30.? 
?NWCLIENT    ?<SUB-DIR>?16.10.18?05.00.??DLL         ?<SUB-DIR>?26.11.21?03.30.? 
?NWCNTL      ?<SUB-DIR>?16.10.18?04.59.??FONT        ?<SUB-DIR>?07.07.23?01.16.? 
?Program File?<SUB-DIR>?27.04.23?05.34.??PLUGINS     ?<SUB-DIR>?07.07.23?01.16.? 
?QEMM        ?<SUB-DIR>?03.09.19?02.21.??SSAVERS     ?<SUB-DIR>?26.11.21?03.30.? 
?WINDOWS     ?<SUB-DIR>?27.04.23?05.34.°?XLT         ?<SUB-DIR>?26.11.21?03.30.? 
?WINNT       ?<SUB-DIR>?31.01.24?04.18.°?adamlite.exe?    6 144?24.11.22?13.14.? 
?1st64sec.128?   32 768?03.02.21?03.09.°?archiver.ini?   17 696?26.11.21?03.27.? 
?1st64sec.1t0?   32 768?03.02.13?01.26.°?english.dlg ?  293 426?17.01.24?19.01.? 
?autoexec.bat?    2 099?02.11.20?00.10.°?english.hlp ?  275 960?17.01.24?19.01.? 
?autoexec.w40?    1 444?24.01.24?01.21.°?english.hnt ?   16 135?17.01.24?19.01.? 
?boot.ini    ?    1 104?13.11.22?02.55.°?english.lng ?   25 650?17.01.24?19.01.? 
?bootfont.bin?    4 952?14.04.08?14.00.°?ftp.ini     ?      519?10.07.21?17.33.? 
?bootsect.dos?      512?02.02.13?01.20.?hgroups.ini ?   11 132?31.01.24?05.11.? 
?Ä<----D->ÄÄÄÁÄÄÄÄÄÄÄÄÄ 13 654 216/28 Ä??Ä<-----A>ÄÄÄÁÄÄÄÄÄÄÄÄÄÁ 2 089 389/29 Ä? 
?LINUX         <SUB-DIR> 29.04.23  3.30??english.hlp     275 960 17.01.24 19.01? 
?LINUX                                 ??ENGLISH.HLP                           ? 
?   224 096k free bytes on drive C:    ??   3 219 456 free bytes on drive E:   ? 
[CDEFGHIJKLMNOPSTUVWYZ*#] [CDEFGHIJKLMNOPSTUVWYZ*#] 
C:\>                                                                             
*1Left   2Right  3ViwAlt 4EdtAlt 5UsrScr 6RenFas 7FindF  8CmdHis 9Tetris10Video1 
 
Runtime error 216 at $02A1D9E2 TID=1 
Code base address: $029F0000 -> delta: -$025EF000 
 -> excpected by compiler/IDE: $0042E9E2 
Stack memory: $02D1D000..$0311D000 
EBP       MemL[EBP] MemL[EBP+4] EIP       Source line 
$-------- $-------- $--------   $02A1D9E2 DRIVERS3.PAS#530 
$03117520 $0311AAB8 $02B4BCB7   $02B4BCB2 DRIVERS6.PAS#304 
$0311AAB8 $0311AAF8 $02B4AEF8   $02B4AEF3 DRIVERS4.PAS#52 
$0311AAF8 $0311AB5C $02BE7922   $02BE791D DPMI32.PAS#515 
$0311AB5C $0311AECC $02A0228D   $02A02269 DRIVERS5.PAS#453 
$0311AECC $0311AEE4 $02A516EB   $02A516DB SK.PAS#126 
$0311AEE4 $0311B220 $02A51849   $02A51836 SK.PAS#158 
$0311B220 $0311B538 $02A51971   $02A51963 SK.PAS#198 
$0311B538 $0311B750 $02A62578   $02A62561 VFS_DRIV.PAS#1546 
$0311B750 $0311B984 $02A703B1   $02A70398 FLPANELX.PAS#1903 
$0311B984 $0311BF0C $02A75B6A   $02A75B60 FLPANELX.PAS#4257 
$0311BF0C $0311C36C $02A8F673   $02A8F669 FLPANEL.PAS#2586 
$0311C36C $0311C398 $02A29D7B   $02A29D6E VIEWS.PAS#9139 
$0311C398 $0311C5DC $02ABAD10   $02ABACF1 DBLWND.PAS#739 
$0311C5DC $0311CB70 $02ABCDE6   $02ABCDD5 DBLWND.PAS#1462 
$0311CB70 $0311CBA0 $02B45934   $02B4592A DBLWNDX.PAS#223 
$0311CBA0 $0311CBB8 $02A28665   $02A28655 VIEWS.PAS#8225 
$0311CBB8 $0311CBD0 $02A2876D   $02A28762 VIEWS.PAS#8269 
$0311CBD0 $0311CBFC $02A4D8C2   $02A4D8B8 DNAPP.PAS#797 
$0311CBFC $0311CC14 $02A28665   $02A28655 VIEWS.PAS#8225 
$0311CC14 $0311CC2C $02A2876D   $02A28762 VIEWS.PAS#8269 
$0311CC2C $0311CC48 $02A4E866   $02A4E85C DNAPP.PAS#1351 
$0311CC48 $0311CC5C $02A4F307   $02A4F2FD DNAPP.PAS#2004 
$0311CC5C $0311CC84 $02B013F9   $02B013E7 MAIN3.PAS#356 
$0311CC84 $0311CCB0 $02A281DC   $02A281D2 VIEWS.PAS#7640 
$0311CCB0 $0311CCBC $02A4EE62   $02A4EE5C DNAPP.PAS#1597 
$0311CCBC $0311CFE0 $029F0FB1   $029F0FA2 MAIN.PAS#621 
$0311CFE0 $0311CFE8 $029F0170   $029F016B NDN.pas#50 
$0311CFE8 $029F0000 $FFFFFFFF 
 
----< NDN ERROR LOG END >------------------------------------------------------- 
 --- DOS gives me freedom to unlimited HW access.  |