The failure on Win11 doesn't seem related. It more or less looks like the issue we had with EnumerateLoadedModules failing some times to times (and very likely even native dbghelp's SymRefreshModuleList() relies on EnumerateLoadedModules()). I could (in another MR) wrap SymRefreshModuleList with some retry logic (also have pending implementation for SymRefreshModuleList for PE modules).