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We strongly recommend you stop using this browser until this problem is corrected. The latest version of the Opera browser sends multiple invalid requests to our servers for every page you visit.The most common causes of this issue are: if you need any help let me know and ill see if i can help thanks.Your IP address has been temporarily blocked due to a large number of HTTP requests. i hope this helps someone out there having the issue i had. im using arch linux manjaro using steams proton 1.7 (modified Wine) anyone else had this issue? any fixes, help appreciated i found a simple fix watch the vid and download the 1.7 executable file in the comments the link attached to the vid is - download the 1.7 version executable file and replace the one in your cod 4 installation directory for the one you downloaded i did this and it showed 1.7 i refreshed server list and over 1k servers appeared, i clicked one and it attempted to download something went black screen a couple times then eventually auto loaded back up in to cod4 multiplayer home screen with message appearing advising me 'the server you are attempting to join requires a cod4x patch up date which is a community made patch update do you want to download and install patch update' or something along them lines i clicked it and it closes cod application and installs patch then advised me to re open cod4 multiplayer, i reopened it with new version in the bottom right will say 20.1 cod4x and you can join loads of servers that's what worked for me anyway. Originally posted by Benjamin:thanks, this does not seem to work for me, im sure it probable work if using windows but mine it downloads the files but does not prompt me to install after download, instead for a split second it close and then opens a loading screen for shipment map saying mod: cod4i then multiplayer closes down, i reopen multiplayer and still on 1.8 version.

Download cod 4 multiplayer