All my games are running to slow, i see turtle along with my name, even when i spectate other games, the game loads at very slow speed likes its lagging, but the issue is not the internet speed, the problem is with the pc i guess, i am using SSD hard disk, normally there is no issue with ssd. Kindly help me to fix this problem

Please apply the recommended game room settings:
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i done those settings but problem still not solved, i am seeing turtle along my name while playing the games.

Try adding the Windows Defender Antivirus Exceptions:
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i tried this also, but still not resolved, i am continously seeing turtle on my name while playing games, i am not able to play anymore, my internet speed is 100mbps but pc lagging too hard i dont know why

Could you please paste me the results of both, the game and the network diagnostics.

Starting networking diagnostics...

Your local network port (UDP) is 16000. All game traffic is routed through this port. This can be changed in "Settings" -> "NAT Traversal".

Attempting to connect to 3 test servers. This will take around a minute to complete...

Received data from 'server 3' through port 16000 (this is your WAN or router port)
Received data from 'server 1' through port 16000 (this is your WAN or router port)
Received data from 'server 2' through port 16000 (this is your WAN or router port)
14 seconds left.
9 seconds left.
4 seconds left.

Test Result: All Pass
Network Health: All tests passed
Recommended Action: None
Details: All tests passed.

Non-DirectPlay game path is 'f:\age of empires 2'
Verifying 'f:\age of empires 2\language_x1.dll' exists...
Success!
Verifying 'f:\age of empires 2\age2_x1\age2_x1.exe' exists...
Success!
Voobly path is 'c:\program files (x86)\voobly'
Game version is '1.0C-VLY'
Verifying 'f:\age of empires 2\language_x1_p1.dll' exists...
Success!
Checking DirectPlay libraries...
Looking for dpwsockx.dll...
Looking for dplayx.dll...
'c:\windows\system32\dplayx.dll' size: 215552 bytes
DirectPlay Init Success!
Scanning installed DirectPlay games...
Age of Empires II - The Conquerors Expansion [found]
Game was found in DirectPlay registry!
DirectPlay play thinks the game is installed at 'f:\age of empires 2'
DirectPlay command line is 'Lobby'
DirectPlay play thinks the game exe is at 'f:\age of empires 2\AGE2_X1\age2_x1.exe'
Verifying file exists... Success!
DirectPlay play thinks the language dll is at 'f:\age of empires 2\language_x1.dll'
Verifying file exists... Success!
Scanning 'c:\program files (x86)\voobly\gamedata\AOC\age2_x1.exe'
Success!

Everything looks fine. DirectPlay is configured and the game was found on your harddrive. If you still have problems try rejoining the lobby or restarting your computer.

Your drive F, is that an external drive or USB storage?

no thats not a external drive, its my pc, ssd harddrive

Can you please take a screenshot of the exceptions you created? Thanks.

screenshot attacked, and i m using avast anti virus instead of microsoft

and i didnt find this file aomxnocd.exe, other files are added in exclusion

so no solution for this issue? why you stoped responding ? i am not able to play anymore

Are you running a free version of Avast or is this a paid subscription? I am curious... could you please temporary uninstall Avast, then reboot and see, whether you are still having the problem?

You can reinstall after any time, once it's confirmed whether Avast is causing the problem for you. Also apologies for the delay... I was on a business trip this week.

Yes it is free version, but i am using avast and aoe from several years, this problem started recently only it cnt be antivirus problem, it must be something else