That was just an idea to help you!!! Has your problem been solved?

"[Error] Async scan call timed out. Server process crashed."

The Pirate says:

Some of you are still having problems with the scanner after the suggestions that were mentioned. Most likely the issues is caused by having the Plugin Scanner blocked from accessing the internet. You need to unblock it. Blocking the Scanner was not suggested explicitly or implicitly.

https://audiosex.pro/threads/studio-one-pro-4-5-plugin-scanner-problem.44335/

 

I appreciate it Radio. No, still not solved unfortunately.

 

Please Update:
Visual C++ Redistributable Runtimes All-in-One
www.techpowerup.com/download/visual-c-redistributable-runtime-package-all-in-one/

Maybe you should copy all the plugins from the VST3 folder C:\Program Files\Common Files\VST3 somewhere else and then add them one by one. Scan again each time, maybe you will find a faulty plugin.

If that doesn't help, I would back up my data and presets and delete Studio One completely, including the registry entries, and restart the PC and then reinstall it and start without plugins.

Delete the following Folders:
C:\Program Files\PreSonus
C:\ProgramData\PreSonus
C:\Users\YourName\AppData\Roaming\PreSonus
C:\Users\Public\Documents\PreSonus

Registry ( Run --> Regedit )
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\PreSonus
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\PreSonus

 

So, tried the C++ Redist and loading a few plugins at a time - same issue. None of them get scanned. I don't see the point in reinstalling it completely, since it has been happening with everything freshly installed in the first place.

 

Have you tried to load the VSTs from a different location? Especially if you have a secondary drive. Try adding the new location and clearing out the default ones of any plugins.

 

What is "Async scan call timed out. Server process crashed"?

Spoiler: What does an asynchronous server mean?

What does an asynchronous server mean?

In the traditional thread-based (Synchronous) models, for each client there is one thread which is completely separate and is dedicated to serve that thread. This might cause I/O blocking problems when process is waiting to get completed to release the resources (memory, CPU) in hold. Also,creating separate processes consumes more resources.

Asynchronous servers do not create a new process or thread for a new request. Here the worker process accepts the requests and process thousands of it with the implementation of highly efficient event loops.Asynchronous means that the threads can be executed concurrently with out blocking each other. It enhances the sharing of resources without being dedicated and blocked.

There is a File with the the Name: " VSTPlugInScanner " in:
C:\Users\YourName\AppData\Roaming\PreSonus\Studio One 7\x64
Can you take look and post it here?

Is your computer clock time synced? Do you have the correct time?

Another User has the same Problem:

2019/07/13 16:36:42.016 [Info]: UI Status: Scanning 1 of 120: 3rd_Bass
2019/07/13 16:36:42.017 [Info]: Scan next file in scan process: 3rd_Bass
2019/07/13 16:36:49.639 [Error]: Async scan call timed out. Server process crashed
2019/07/13 16:36:49.639 [Info]: UI Status: Failed to scan 3rd_Bass
2019/07/13 16:36:49.640 [Warning]: Crash while scanning 3rd_Bass in a new process!
2019/07/13 16:36:49.640 [Info]: UI Status: Waiting for plug-in scan process...
2019/07/13 16:36:49.730 [Info]: UI Status: Scanning 2 of 120: 7amp-flyingecho-1
2019/07/13 16:36:49.740 [Info]: Scan next file in scan process: 7amp-flyingecho-1
2019/07/13 16:36:57.313 [Error]: Async scan call timed out. Server process crashed
2019/07/13 16:36:57.313 [Info]: UI Status: Failed to scan 7amp-flyingecho-1

Source: https://answers.presonus.com/28563/why-am-i-having-issues-with-the-studio-one-4-plug-in-scanner

Select the "Locations" tab and select "VST Plugins". Click "Add" to navigate to the following plugin path(s)→
If you are running Studio One in 64bit: C:\Program Files\Vstplugins
If you are running Studio One in 32bit: C:\Program Files (x86)\Vstplugins

Reset Blacklist:
Go to the "Studio One" drop down menu and select "Options". Under the "Locations" tab click "Reset Blacklist".

 

You can Block the " News Feed " in Studio One if you don't like it!


[Error] Async scan call timed out. Server process crashed

The error message "[Error] Async scan call timed out. Server process crashed" typically indicates that a server process, which is responsible for handling asynchronous scan requests, has encountered a problem and has stopped functioning. This can happen for various reasons, such as resource limitations, network issues, or bugs in the server software.

When the async scan call times out, it means that the server did not respond in the expected time frame, leading to a crash. To resolve this issue, you might want to check the server logs for more details, ensure that the server has adequate resources, and consider restarting the server or the specific process that crashed. If the problem persists, it may be helpful to consult with your technical support team or refer to the documentation for the specific server software you are using.

Source: ChatGPT

 

Last edited: Jan 21, 2025 at 7:20 PM

Yup, still failing to scan, despite being in new folder. Actually, now it's not even scanning any VST3s I tell it to scan... omfg.

Spoiler: Scanner

2025/01/21 13:17:36.213: [Info] Adding file 1: "file:///C:/VST2/Altiverb 7.dll"
2025/01/21 13:17:36.213: [Info] Adding file 2: "file:///C:/VST2/Blackhole.dll"
2025/01/21 13:17:36.213: [Info] Adding file 3: "file:///C:/VST2/Chordjam_64.dll"
2025/01/21 13:17:36.217: [Info] UI Status: Scanning folder "C:\VST3"
2025/01/21 13:17:36.217: [Info] UI Status: Waiting for plug-in scan process...
2025/01/21 13:17:36.306: [Info] UI Status: Scanning 1 of 3: Altiverb 7
2025/01/21 13:17:36.307: [Info] Scan next file in scan process: Altiverb 7
2025/01/21 13:18:06.393: [Error] Async scan call timed out. Server process crashed
2025/01/21 13:18:06.393: [Info] UI Status: Failed to scan Altiverb 7.
2025/01/21 13:18:06.393: [Warning] Crash while scanning Altiverb 7 in a new process!
2025/01/21 13:18:06.393: [Info] UI Status: Waiting for plug-in scan process...
2025/01/21 13:18:06.503: [Info] UI Status: Scanning 2 of 3: Blackhole
2025/01/21 13:18:06.504: [Info] Scan next file in scan process: Blackhole
2025/01/21 13:18:36.709: [Error] Async scan call timed out. Server process crashed
2025/01/21 13:18:36.709: [Info] UI Status: Failed to scan Blackhole.
2025/01/21 13:18:36.710: [Warning] Crash while scanning Blackhole in a new process!
2025/01/21 13:18:36.710: [Info] UI Status: Waiting for plug-in scan process...
2025/01/21 13:18:36.834: [Info] UI Status: Scanning 3 of 3: Chordjam_64
2025/01/21 13:18:36.835: [Info] Scan next file in scan process: Chordjam_64
2025/01/21 13:19:07.059: [Error] Async scan call timed out. Server process crashed
2025/01/21 13:19:07.059: [Info] UI Status: Failed to scan Chordjam_64.
2025/01/21 13:19:07.060: [Warning] Crash while scanning Chordjam_64 in a new process!
2025/01/21 13:19:07.060: [Info] UI Status: Waiting for plug-in scan process...
2025/01/21 13:19:07.185: [Info] UI Status: Plug-in scan completed.
2025/01/21 13:19:07.225: [Info] Plug-in scan completed in 1:31.014 min

 

VST3 plugins are kinda annoying to scan, the way I get around it is by using a folder junction to fool the program to think the plugins are at the default location, but it's instead somewhere else. I had to undo that, though, because my Sonnox plugins would break.

I looked a bit into it and is your PC online? Also, what are the specs (CPU and GPU) of the machine? If you are using Windows Defender as your AV, try checking if core isolation is on (turn it off).

windowsdefender://coreisolation/
^ this will take you there, treat it as if it's a website

 

You should remove the plugins that it doesn't scan from the VST3 folder and simply save them in a separate folder that you have created.

Then scan again, it looks like it has finished the scan, which is already a positive thing. 2025/01/21 13:19:07.225: [Info] Plug-in scan completed in 1:31.014 min

You should uninstall the faulty plugins and reinstall them.

 

Core isolation is off. CPU and GPU are AMD.

Again, none of them are getting scanned...

 

Congratulations! Now we've learned something new. Turn off VPN.

 

Thank you Radio. APPARENTLY, if your DAW uses the internet for basic things, anything that messes with the internet will mess with your DAW.