16 solutions found
0X000000C7 Old 16-bit app can't run because its data segment exceeds 64KB. A simple compatibility setting or a VM fix works....
0X000009C4 This error means an old MS-DOS program tried to use a network resource and got back a bad return code. The fix is almost always a config tweak or a dr...
0XC0000131 This 16-bit app error means you're trying to run a DOS/Win16 program on 64-bit Windows. The fix is either enabling NTVDM or finding a 32/64-bit replac...
0X000000C8 Old 16-bit code hits a 64KB limit on modern Windows. Common with legacy DOS apps and drivers. I'll show you how to kill the junk causing it....
0XC0000249 App fails to launch with this error on Windows because a DLL or executable is missing a multiprocessor support patch. The fix is replacing the file....
0XC00001A3 This error means Windows can't run a program because its subsystem isn't loaded. Usually happens with old 16-bit apps on 64-bit Windows or missing WSL...
0XC0000117 This error hits when a process tries to resize its LDT but has none. It's rare—usually from old 16-bit apps, buggy drivers, or corrupt system files....
0XC000026F This error means the 32-bit-on-64-bit emulation layer (WOW64) hit an internal bug. The fix is usually a corrupted system file or a bad app install....
0X00000506 This error means Windows blocked a 16-bit app. You're running 64-bit Windows, which dropped NTVDM. Here's how to get around it....
0X00000098 This error means DosMuxSemWait hit a semaphore limit — usually from old apps or misconfigured services. Here's the direct fix....
0X00000081 This error means a 16-bit program can't run in 32-bit Windows. It's a compatibility issue with older apps. The fix is enabling NTVDM or using a differ...
0XC000012E This error pops up when Windows tries to load a 16-bit LE-format executable. It's a dead end for 64-bit systems, but there's a workaround if you need ...
0X000000BC Happens when you try to run a 16-bit program on 64-bit Windows. The first bytes of the EXE are corrupted or it's an old DOS app....
0X00000251 This error pops up when you try running a 16-bit program on 64-bit Windows. The NTVDM can't handle it, so you get the hard error. Here's how to work a...
0XC000011B This error means Windows can't run an old 16-bit NE executable. Quick fix: use a 32-bit wrapper or NTVDM. Real cause: 64-bit Windows drops support for...
0XC000021D NTVDM error 0XC000021D hits when trying to run 16-bit apps on 64-bit Windows. This guide walks through the real fix—configuring Windows features and p...