An error occurred while updating dota 2 disk io failure
When playing together with a friend at the same location (LAN), we both can't connect to the same server at the same time.This is generally caused by a router that can't handle two different computers connecting to the same remote address using UDP while using the same source port. Dota 2 is played on Valve hosted dedicated servers and no other players connect to you. Dota 2 uses the UDP protocol and communicates on ports 27015 through 28999 to our dedicated servers.
This can occur if your Dota 2 install is corrupted or incomplete due to a restart or error.If you are experience same error and don't know how to solve it, then you are at the right place where you can find multiple solutions to deal with the error.Continue reading this guide and you'll find out the approach working on your case.run FIXMBR from recovery console (typically has no result)4.Run the manufacturer's diagnostic utility, downloaded from their website (it will typically find no error)5.This means your client is unable to talk to the Dota 2 Community and Matchmaking Server.
This can be caused by a few issues: This issue is rarely caused by any install issues. The best thing is to wait and check the dev forums for any updates.
You can have Steam check your Dota 2 Install and re-download any corrupted files by following the instructions here, https://support.steampowered.com/kb_...2037-QEUH-3335 How do I see my ping and frames per second?
Add the option " net_graph 1" to the launch options for Dota 2.
Run CHKDSK /R /P from the recovery console (it will typically find no error)2.
run FIXBOOT from recovery console (typically has no result)3.
Org Foundation X Server Release: 11801000 X Window Manager: Fluxbox Steam Runtime Version: Video Card: Driver: NVIDIA Corporation Ge Force GTX 770/PCIe/SSE2 Driver Version: 4.5.0 NVIDIA 370.28 Open GL Version: 4.5 Desktop Color Depth: 24 bits per pixel Monitor Refresh Rate: 60 Hz Vendor ID: 0x10de Device ID: 0x1184 Revision Not Detected Number of Monitors: 2 Number of Logical Video Cards: 1 Primary Display Resolution: 1920 x 1080 Desktop Resolution: 3840 x 1080 Primary Display Size: 23,54" x 13,23" (26,97" diag) 59,8cm x 33,6cm (68,5cm diag) Primary Bus: PCI Express 16x Primary VRAM: 2048 MB Supported MSAA Modes: 2x 4x 8x 16x Sound card: Audio device: Sigma Tel STAC9750,51 Memory: RAM: 32128 Mb Miscellaneous: UI Language: English LANG: en_US. I can confirm in my case that switching to ext4 resolved the issue.