This is my first game to use GoG. Installation keeps failing of Witcher 3. The error I keep getting is "Disk Access Problem". Anyone know how to fix this? Thanks

I have box version... instaled . GoG account done and game sign in.... but it doesn't starts... Any ideas?

A have same problem here :/ i think that i must download all files again without gog client :/

I get this error with Galaxy whenever I try to designate that Galaxy DLs and installs to a different drive than C. So I just used the old GOG DLer and the game installed and runs fine.

what is the classic downloader? I tried downloading the individual parts initially, but then the setup file couldn't find my .bin file or something like that

have you gotten it working yet?

You can get it Here. It's no longer supported, but don't let that fool you: you can still use it, it's just no longer being updated. Once you have it installed, in your Library, click on the game, then More, then choose GOG Downloader Links from the dropdown. Choose the files you want to DL and the DLer will start up automatically. Currently, I find it's a far better tool than Galaxy.

It's no longer supported? It's no longer being updated? Seriously?

I was just thinking how marvelous GOG was for having the Galaxy client be their "fully optional client". It doesn't seem very optional if they're stopping support and updates for the old downloader. Is there a source or post somewhere to confirm this? I'm assuming you're correct and if so that's very very disappointing.

Here's the response from one of the men in blue: Answer Link

Galaxy is still optional. You can DL via the browser, or still using the DLer. As noted, it just won't be updated, but they're not actually blocking people from using it. I believe it was announced in the original GOG Galaxy announcement thread, but I can't find it.
Thank you, good sir!

We are groot! :)

i did the same as i was offered no other option,so i just wasted a couple of hours trying to get this game downloaded.i tried the galaxy app but got the error message.poor showing gog,very poor.gonna go play something else .

Thanks for the responses guys! It's appreciated, I had no idea. I really thought Galaxy would still mean business as usual here on GOG. That is indeed disappointing and surprising. Galaxy might still be "optional", but from the perspective of an exclusive user of the Downloader it still means I'll likely be forced into changing how I download and interact with the site at some point down the road. Thankfully I have been giving the Galaxy client a shot and I like it so far. It does allow for direct downloads for backups, so I suppose it's a pretty minor issue. Just surprising more than anything. GOG has been like the anti-Steam in a good way, and this move seems very Steam-like to me.

Sorry to derail the OP. FWIW, I had this issue yesterday with the Galaxy client (it's how I found this thread). It wasn't for the Witcher 3, but it was for a handful of other titles I purchased. I simply retried the installation a few times and it eventually took. It sounds like you've already retried at least a few times but I figured I'd mention my experience.

Got it working! Turns out my problem stemmed from me downloading the files multiple times. Since I had copies of them, the later ones (which I was using), had the (1....) in the parenthesis to differentiate them. Once I deleted those extra numbers, it installed like a charm! Hope this helps some one else