To solve the Modern Warfare 2 lag issue on your PC, you can try the following solutions. Way 1. Check the PC Specs. Press the Windows key + R to open the Run box. Type “ dxdiag ” and press Enter to open DirectX Diagnostic Tool. Under the System tab, you can find the Operating System version, the Processor name and frequency, and the Memory This is a common question I get asked a lot when it comes to games and the problem with this question is there are so many things that can cause connection issues and lag spikes in Call Of Duty Modern Warfare 2 and make it laggy and unplayable. The servers could be experiencing issues, causing server and network lag and making your game disconnect. Call of Duty Modern Warfare 2 has seen record-breaking success with the game making $1 billion from game sales only in 10 days. This, obviously, indicates that tons of players are hyped to play and enjoy the game which also means there will be server issues , matchmaking errors and possible connection problems. Boot up Modern Warfare 2. Head to the game’s main ‘Settings’. Select ‘Interface’. Now go to where it says ‘Parallax Effects’ and switch it to ‘OFF’. You should, hopefully, not experience the Scan & Repair issues on PC anymore. We should note that Paradox Customs prefixed their method by saying: “This isn’t 100% effective Below are the different methods for fixing Modern Warfare 2 login errors and issues on an Xbox One and Xbox Series X|S. Fix 1: Activision Services. If the servers for Call of Duty Modern Warfare 2 are having issues or are currently offline, then this can cause sign-in errors and Demonware errors: Check out the MW2 service status here. Fix 2 To potentially resolve issues such as startup crashes and server connectivity errors, try running the Call of Duty: Modern Warfare II or Warzone 2.0 game app on your Windows PC as an administrator. This will allow User Account Control (UAC) access to the system. Follow the steps below to run the game as an administrator: Best answer. David Webb. jimbo. Hi. It is to do with your NAT type. I had this problem and I found that my NAT type was on strict. If it is on strict, then your game will be very picky about which games it will find. When you are on the page which says find game, challenges, leaderboards etc, if you look down it will say something like Your NAT Malware and RCE exploits and security as a whole are now fixed/patched. According to a handful of major Call Of Duty creators' youtube videos. Apparently the new update that came in would contain a file/program that would remove if you have been affected by malware that you know has been spread. Just keep our fingers crossed and hope they RZIuh.