MW3ย Disc Read Error 8.7 is often associated with the Zombies game mode and has affected many players. Most have been getting this error after the recentย Modern Warfare 3ย update. The root cause of this error is missing game files. So, the first solution is quite obvious – you need to download and install missing files to fixย MW3ย Disc Read Error 8.7. However, it seemsย Activisionย has made it a bit tricky. So, let’s look at some possible solutions.
Possible Solutions to MW3 Disc Read Error 8.7

The only workable solution to resolve this error isย downloadingย Warzoneย andย MW3, both games.ย This is because, after the recent update,some of theย MW3ย files have been moved to theย Warzone. Therefore, downloading both games will ensure all necessary files are presented and resolve the error.
Some other solution methods are cleaning the disc, replacing the disc, testing the disc in another console, updating the game files, and allowing the game in your firewall settings. However, these are not guaranteed methods. Sometimes, you can fixย MW3ย Disc Read Error 8.7 with these methods, but they do not usually work.
We are not sure exactly why Activision made some game files ofย MW3ย only available throughย Warzoneย after the update. It might have been an oversight or a deliberate decision. Either way, it has caused inconvenience to players experiencing this error.
The solution presented to fix theย MW3ย Disc Read Error 8.7 has angered some, who complain that the game is forcing players to installย Warzone. Some believe this results from insufficientย Warzoneย players, leading to the company ‘making’ players download it. Some said they won’t playย Warzoneย because battle royal games are repetitive. Also, one player suggested that sellingย Warzoneย as a standalone game would be a better solution. Because then they can see the actual numbers and how theย Warzoneย performs.