UWP apps crash when backgrounded

//qtmain_winrt.cpp

        bool quote = false;
        bool escape = false;
        for (int i = 0; i < commandLine.size(); ++i) {
            switch (commandLine.at(i)) {
            case '\\':
                escape = true;
                break;
            case '"':
                if (escape) {
                    escape = false;
                    break;
                }
                quote = !quote;
                commandLine[i] = '\0';
                break;
            case ' ':
                if (quote)
                    break;
                commandLine[i] = '\0';
                if (!args.isEmpty() && args.last() && args.last()[0] != '\0')
                    args.append(commandLine.data() + i + 1);
                // fall through
            default:
                if (!args.isEmpty() && args.last() && args.last()[0] == '\0')
                    args.last() = commandLine.data() + i;
                escape = false; // only quotes are escaped
                break;
            }
        }

        if (args.count() >= 2 && args.at(1) && strncmp(args.at(1), "-ServerName:", 12) == 0)
            args.remove(1); 

        bool develMode = false;
        bool debugWait = false;
        for (int i = args.count() - 1; i >= 0; --i) {
			if (!args.at(i))
				continue;

            const char *arg = args.at(i);
            if (strcmp(arg, "-qdevel") == 0) {
                develMode = true;
                args.remove(i);
            } else if (strcmp(arg, "-qdebug") == 0) {
                debugWait = true;
                args.remove(i);
            }
        }
        args.append(nullptr);