Information on error BLZBNTBNU00000001

Cannot install or patch Call of Duty: Modern Warfare

Information on error BLZAPPBTS00002

Information on error BLZBNTBNU00000002

You need to patch the Battle.net desktop app in order to uninstall.

How to resolve issues with slow patch downloads

Information on error BLZBNTBTS0000000D

Standalone patches are downloaded outside of the game launcher or the Blizzard Battle.net desktop app.

Problems with patching may be resolved by disabling the read-only setting on system folders.

Battle.net desktop app information