yanni 2025년 7월 24일 오후 1시 11분
Steamworks Common Redistributables "Corrupt Download"
Every time i try to launch a game, steamworks common redistributables is being installed, hangs at 29% and then steam opens and gives a "Corrupt download" popup error

OK. Simply put, Steam is using a new file compression system and now game updates might be pretty difficult on older versions
yanni 님이 마지막으로 수정; 2025년 7월 25일 오전 9시 11분
첫 게시자: Ettanin:
As of May 21st, 2025, Valve has updated their compression algorithm to be more CPU and I/O efficient.
This change is not compatible with old clients that could still run on Windows 7 and future content changes will be made using this compression algorithm, resulting in a loss of access to downloads and updates.

As Valve has ended support for Windows 7 since January 1st, 2024, and therefore won't update their client for the use of Windows 7, your officially supported options are:
* Upgrade to Windows 10 (End of Life by October 2025 unless enrolled into ESU)
* Upgrade to Windows 11
* Install Linux Mint and play Windows only games using Proton

If Win10/Win11 is not an option, consider installing Linux Mint. It's free and Proton works with a good portion of games on Steam.
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Shotgun 2025년 7월 24일 오후 1시 39분 
What OS?
yanni 2025년 7월 24일 오후 1시 43분 
windows 7
Shotgun 2025년 7월 24일 오후 1시 51분 
Yup, Valve killed Steam on W7. I have a W7 box for older games, and whenever one gets updated now, it fails on the download due to the new compression system. Same for the Steamworks Common Redistributables.

You can still launch games by temporarily going into offline mode, however. But that too is probably a temporary fix. There's a lot of comments on old games by confused people who don't understand why their retro boxes and W7 VMs no longer work. This is going to snowball more and more as people start realizing why they're getting these errors and become upset that they can't play some older games anymore.

I'm really surprised by this move from Valve. They could've kept a legacy content delivery system in place to not mess with compatibility.

inb4 "u are must get Win11 saar is very good OS for happy gamer & much security feature"
yanni 2025년 7월 24일 오후 1시 58분 
is it steam or windows that's using a new compression system?
Shotgun 2025년 7월 24일 오후 2시 03분 
Steam.

There's a ghetto way to get around the issue for some games, which is downloading them using Steam on W10+ and then transferring the folder over. This will also probably be "patched" in the near future. But I'm not sure this fix also works for the Steamworks Common Redistributables issue, haven't tried.
글타래 작성자가 이 게시물을 해당 주제의 답변으로 채택하였습니다.
Ettanin 2025년 7월 24일 오후 2시 06분 
As of May 21st, 2025, Valve has updated their compression algorithm to be more CPU and I/O efficient.
This change is not compatible with old clients that could still run on Windows 7 and future content changes will be made using this compression algorithm, resulting in a loss of access to downloads and updates.

As Valve has ended support for Windows 7 since January 1st, 2024, and therefore won't update their client for the use of Windows 7, your officially supported options are:
* Upgrade to Windows 10 (End of Life by October 2025 unless enrolled into ESU)
* Upgrade to Windows 11
* Install Linux Mint and play Windows only games using Proton

If Win10/Win11 is not an option, consider installing Linux Mint. It's free and Proton works with a good portion of games on Steam.
Ettanin 님이 마지막으로 수정; 2025년 7월 24일 오후 2시 08분
yanni 2025년 7월 24일 오후 2시 08분 
I've copied steamworks common redistributables from my other steam installation on windows 11, but this didn't fix anything, this problem came out of nowhere, I can clear the download cache but I have to do that multiple times so I am looking for an alternative solution
Ettanin 2025년 7월 24일 오후 2시 11분 
May I ask which game(s) you still need Win7 for?
yanni 2025년 7월 24일 오후 2시 13분 
none
Ettanin 2025년 7월 24일 오후 2시 14분 
yanni 님이 먼저 게시:
none
Then use your installation on Win11 which is still supported.
Ettanin 님이 마지막으로 수정; 2025년 7월 24일 오후 2시 15분
yanni 2025년 7월 24일 오후 2시 16분 
okay
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