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Tried your capx on 2 laptops (both with r246 version of C2):
New i5-7200U, 8Gb RAM, SSD, Win 10 - project took 3.5 minutes to load, dialogs take 5-10 seconds to open, everything is laggy.
Five years old i7-3630QM, 8Gb RAM, SSD, Win 8.1 - project took 3+ minutes to load, but dialogs are opening almost instantly, previewing is also fast.
Looks like you are right, performance is much better on older machines.
Thank You for testing. The more data and confirmation the better support for the bug fix to lessen the range of devices Ashley need to reproduce it.
New Update: Performance Workaround
This is not a fix but just a workaround to lessen delays that nearly matches Windows 8.1 performance.
In case you want to keep Windows 10. Effective with larger projects!
I have found out that the newer your Windows 10 version is, the worse the performance of the C2 editor becomes.
That means if you have the Fall Creators Update, the worse you're off.
Also aside from that, there are also other factors in losing performance especially for pre-built computers or laptops.
Windows 10 Update incompatibility
If you are using a laptop, you should check this link :
https://answers.microsoft.com/en-us/win ... 923?auth=1
According to Microsoft, some computers (ehemm.. Mostly!) aren't compatible with new major updates like the Fall Creators Update, Creators Update and Anniversary Update.
Microsoft knows that most computers are incompatible and they are aware that they are forcing incompatible devices into upgrading even after downgrading.
And even if your computer is in the list, there is still a high probability your manufacturer missed something and your compatibility is substandard. Mostly it's because of Windows 10 overriding your manufacturer drivers and custom settings with new Windows 10 upgrades.
Hence, poor C2 performance. I tried it!
Once you're upgraded, you can still downgrade. Although, your manufacturer's backup is surely deformed.
So a recovery format is not an option, it will still result in poor C2 editor performance.
Fortunately, I have a backup of all my laptop's recovery partition in different external HDDs and FlashDrive.
So if you have one secured, then your efforts haven't been for nothing.
So the solutions are:
Solution 1: For laptops/Pre-built (Windows 10) with Manufacturer Recovery Backup
If you bought a laptop from 2017, chances you have is the Windows 10 : Anniversary Update or earlier.
Backup your files and preferences and format your laptop to your manufacturer Windows 10 version.
Manufacturer drivers will be restored and do block all future updates.
I don't like to do those things too since there are some benefits too but it's the best way since Microsoft
sees ordinary W10 versions are for regular users and use them as beta testers for their broken updates.
To benefit the business sectors which makes sense.
Solution 2 & 3 continue here!
For Home versions only, if you have a Wifi as your main connection, set it as a "metered connection".
Thus, preventing forced updates. Although, you will still be reminded daily. AFAIK.
And you can also "defer updates" but unlike Windows 10 Pro, there's no guarantee.
For Pro+ versions only, if you have a Wifi as your main connection, set it as a "metered connection".
Thus, preventing forced updates. Although, you will still be reminded daily. AFAIK.
You can also tweak some Group Policies and such which you should check at the link above or below.
And unlike Home versions, you can defer updates with more guarantee.
For all versions, Microsoft has made an official update blocker for incompatible devices with their updates.
It does find and can block other updates but I can't find the Windows Fall Creators Update to block it.
Even when the upgrade keeps popping up once everyday, so I just ignored it and set my Wifi as a "metered connection" so it
won't force me and only ask me to download it.
But in case if it works our for you guys, here is the link :
https://www.groovypost.com/howto/block- ... pdate-why/
Solution 2: For laptops/Pre-built (Windows 10) without Manufacturer Recovery Backup
I suggest a clean install on your computer. Download the Anniversary Update [I have tested] and download your
manufacturer drivers and etc. from your manufacturer website.
Then continue above...
Solution 3: For Non-Laptop Computers / Non-Prebuilt (Windows 10)
You have it easy, just do what you normally do. Clean Install and download drivers and etc.. from your hardware manufacturer
websites. Although as much as possible download the compatible Windows 10 version of your drivers.
Or to be safe, download the Anniversary Update version or older.
Then continue above...
I always suggest the Anniversary Update of Windows 10 because that is what I'm using and tested thoroughly.
Mainly because my Laptop's manufacturer version is the Anniversary Update. So you can go for older versions if you want and it
can probably even be better. Just not newer versions like the Creators Update.
Again, this is not a fix but just a workaround to lessen delays that nearly matches Windows 8.1 performance.
In case you want to keep Windows 10. Effective with larger projects!