I'm having a similar problem with Windows 10 and 11 both, when I start 0 A.D. I get the following error
Much to our regret we must report the program has encountered an error.
Please let us know at http://trac.wildfiregames.com/ and attach the crashlog.txt and crashlog.dmp files.
You may find paths to these files at https://trac.wildfiregames.com/wiki/GameDataPaths
Details: unhandled exception (Access violation reading 0x0000000C)
Location: unknown:0 (?)
(error while dumping stack: No stack frames found)
errno = 13 (Insufficient access rights to open file)
OS error = 0 (no error code was set)
Attached log files.