How To Fix “Connection failed after 10 retries” – Left 4 Dead 2

This guide will let you know how you can fix the Connection failed after 10 retries error in less than one minute in Left 4 Dead 2.  

First, you will need to go to your Steam library and right-click on Left 4 Dead 2 and then properties.

After that, you need to tap on Set Launch Options. 

Type in “+ clientport 270XX”. Replace the XX with any number from 06 to 30. 

And then click the OK button. 

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