Someone just mentioned this on one of my posts, I use McAfee too...

just to echo a few previous posts, after the patch before last the game seemed to delete the eso.exe file, making launching the game impossible! 4... yes 4 repairs and a system restore later the game downloaded the exe file and worked!

Yesterday's patch worked beautifully!! Could it be that ZOS fixed it? Guess next patch will tell...

BTW I use McAffee

I also had this problem. It all started with Morrowind update (I guess that was the last time eso launcher was updated, and it was not updated since).

I have Windows 10 and when there is a new eso update - the launcher downloads it, and then installs the files but at some point is says:
"Error 1005 - OSError_AccessDenied"

Restarting the launcher with "run as administrator" Does not fix the problem. But funny thing is that rebooting PC solves the problem - after reboot it either "clicks" and it download the patch normally & installs it or it automatically verifies all game files (repair) and it works.

Also I don't think It is an anti-virus issue. I have 2 computers:

On one 1 machine I have default Windows Defender - the issue with updates exists here.
On the 2 machine I have Mcafee - the issue with updates exists here as well.
One of my friends is running G-Data anti-virus and has the same problems with updates.

The only things that are common is that all computers run Windows 10 and all problems started after Morrowind update
(the anti-viruses listed above were used before Morrowind update as well and there was no issues) .
And the solution is the same in those 3 cases - restart / reboot PC and run eso launcher again.

A few days ago I got a new laptop for my wife.

I got all of the W10 updates and setup my AV and updated to latest version.

Downloaded and installed the launcher. Copied the files over from an external drive.

Tested. ESO worked.

Tried again yesterday, same 1005 error.

Deleted Zenimax folder: Failed. ESO64.exe permissions had been altered by OS so that even the administrator could not change (You do not have read permissions to see the permission on the file...blah.. blah..).

Reinstalled. 45GB download later. same 1005 error. So far, my investment in a 2nd morrowind copy is proving to be a bit of dud if we can't play ESO together.

RaddlemanNumber7 wrote: »

After a few weeks of suffering this 1005 error with the update I think I have got past it. I patched the game without error today.

I have eso64.exe, eso.exe and the patcher added to the exception list in McAffee real-time scanning
I have update set to "never" in the patcher options.
When the game went off-line for patch maintenance this morning I went into the \client folder and renamed eso64.exe.

When the maintenance was complete I opened the patcher. The big button in the bottom right hand corner said "Update". I clicked it. The game patched and then automatically did a verify/repair. When it had finished (about 15 mins for me) I closed the patcher.

Opened the patcher again, clicked "Play" and the game started OK. I've been playing for a couple of hours no problem.

I think my precautions were probably a bit more than is really necessary. Next patch I'm just going to leave eso64.exe were it is, let the patcher run on automatic, and see what happens.

Further to my last post:

Patched for 3.2.10 today. Updated all OK. Game starts and runs fine. No errors. The only precaution I took today was to have exo.exe, eso64.exe and the patcher added into the exception list for McAffee real-time scanning.

Judging from my experience with this 1005 problem, I would say the decisive fix was adding exo.exe, eso64.exe and the patcher into the exception list for McAffee real-time scanning.

No more issues since I uninstalled McAfee. If you're getting error 1005 check your AV, especially McAfee users.

I ended up quitting ESO (and cancelling my sub after my last post). Literally the following patch on DCUO I got a very similar error message.

My initial thought was "WHAT THE #$%&!!!!!!" .

Anyway, I googled more fixes for a similar issue and someone mentioned c++.

I went to my control panel and click on add/remove software and click the appropriate c++ version (I believe for dcuo it was 2012) and click repair. Then I reboot and can log in to dcuo.

I am finally updating my ESO files and will see if this works with eso. If so, I will pop back in with an update.

Attackfrog wrote: »

UPDATE: I was able to get in tonight, after patching and updating all my ESO files (via ESO launcher) without trouble.

I think repairing my c++ files may have worked(?). We will see as the weeks tic by....

If I have this same problem, I will keep bumping this thread!

I can confirm I have had sort of an issue with two other games. Not related to mcafee as I turned it off to attempt to fix.
Ill try this as well and update. However my last patch of the game fixed my issues for some reason or another so I am ok for now and afraid to make a change lol!

My problem appears to be Antivirus related. Several DLL's in the client folder update as 0 bytes. Once they are added to the McAfee exclusion list and I repair, the game runs.

Also having the same problem. Restarted my PC, now I get error 206 instead. No amount of deleting stuff, fiddling about with settings and restarting the launcher will fix it.

I've got it working by just running the eso.exe thing directly and not involving the launcher. Obviously by "working" I mean unpatched, but it's something.

Use your File Explorer thingy to navigate to the folder containing the game's various gubbins: it should be something like "[your installation directory]\Zenimax whatevs\The Elder Scrolls Online\game\client". Double-click on "eso" and you should be good to go.

You can still access the game by running the 32 bit version of the application after running and finishing a repair in admin mode.

Unfortunately they've "fixed" it so it's no longer possible to run eso directly without updating. Which doesn't work.