I got render and RAM preview problems. help?

i got render and RAM preview problems with after effects! please help me
when i started on a project earlier today the RAM preview was failing and it stoped making a preview after about a second, when i hit the RAM preview buttom again it continued to load and stoped again after a half second, and it continued to do that till it wasn't loading at all, just playing the same thing up even doe it haden't loaded the whole composition! BUT if i moved the (thing you see where you are on the timeline in need of a better name) it started loading a little more and then it stoped again.. so after alot of problems and moving i managed to make a RAM preview of the whole composition..
now the real problem: when i was done with my project and i was going to reender i did like this: i added my composition to the render queue, chosed my render settings and started to render, after exactly 37 frames it stoped and no window or anything poped up, the only thing that was telling me something was wrong was the render status, and it said: ''failed at 0;00;00;37'' that's not even a second! and BTW when i render after effects only uses 12% of my 6GB RAM memory.. i dont know what to do! i've tried other render settings but the same thing happens! can anyone help me?
BTW i'm swedish and only 14 so i might misspelled something..

Start here and make sure that you understand how RAM preview is supposed to work first:
http://forums.adobe.com/thread/424030
What version of After Effects? Have you installed the recent updates? What operating system? What kind(s) of source footage? Has this ever worked before? What other software are you running? Do you have any third-party effects or codecs installed? Are you rendering with OpenGL?
What are your Memory & Multiprocessing settings? Are you using Render Multiple Frames Simultaneously multiprocessing?

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After Effects Rendering Problem and RAM Preview Problem

I posted a question about this yesterday but I thought I would repost it with more detail!
I have a restless issue here with rendering and RAM preview. I am simply trying to create a viral ad which uses the cloning effect I achieved with masking for my college coursework and I have completed the process of creation but I have ran into problems. The RAM preview will only play up to a certain point then it will just stop and this effects the final render because it gets to the point in the rendering where the RAM preview stops and then a message will pop up saying the rendering has failed or something? (Screenshots Below)
I have tried RAM previewing just one of the three videos I am using and it still stops at the same point.
I am using .avi files and have tried converting to .mov, .mp4, .wmv all of which didn't work.
I am using After Effects CS4 ver 9.0.0.346
My computer specs
AMD SEMPRON processor 2.7Ghz (single core)
2GB RAM (I know its not alot ;))
ATI Radeon HD 5600 512mb
Creative audigy 2 sound card
Windows XP Serivice Pack 3
It's quite urgent and I hope someone can help!
Cheers!

With just 2GB of RAM, I'm impressed that you can generate that much of a RAM preview. RAM previews use RAM. When they run out, they stop.
Have you tried rendering the clip using the Render Queue. If so, does it also report an error at a similar point? If it renders correctly from the queue, you're done. If it doesn't, you probably have a corrupt source file.

Render and RAM Preview Skipping

Hi all-- I have a relatively simple project, just a paint stroke really, with a write-on effect of sorts that I created by keyframing the Stroke Color alpha (not with a behavior). Yet when I RAM preview or render to a QT, the result freezes and skips a few frames somewhere during the video.
It's not a playback issue; I can step by the video frame-by-frame and clearly see it pausing and then skipping forward.
Thanks!
Zak

MORE CLUES:
Camera Properties/Scale seems to cause it in my situation.
I just started using a technique of Camera scaling to control some of my shots (see http://discussions.apple.com/thread.jspa?threadID=2375595&tstart=15 for excruciating detail)
If I disable the keyframes of my camera Scale, RAM preview works as normal. If I then enable the scale change, RAM preview breaks as described above.
How odd.

After Effects says I need to have at least two frames to render a ram preview. I multiple frames. Ho

After Effects says I need to have at least two frames to render a ram preview. I multiple frames. How do I make it ram preview?

First, install the most recent updates:
http://blogs.adobe.com/aftereffects/2012/10/after-effects-cs6-11-0-2-update-bug-fixes-and- added-gpus-for-ray-traced-3d-renderer.html
If that doesn't solve the problem for you, we need to know a lot more if we're going to help you. Please provide answers to the questions listed here: "FAQ: What information should I provide when asking a question on this forum?"

RAM Preview Problems in After Effects CC

AE CS 6 RAM Previews work, but two problems to report with AE CC on the same computer. Possibly two faces of the same problem.
1. Having QuickTime Player open while doing a RAM preview makes the RAM preview stutter. I quit the player, and now the RAM preview plays back without dropping a frame, though Info palate shows "fps: 24 (realtime)", but the RAM preview playback is slow: ie, a tenor sounds like a baritone.
2. A RAM preview that looked and sounded fine last night, is now playing back slowly (tenor sounds like a baritone), though Info Palate shows "fps: 24 (realtime)". I have no other applications open. The only thing that changed is that I quit AE, slept the computer, slept a little myself, and then launched AE. Trashing the cache files (manually), rebooting, relaunching and re-RAM-previewing creates a functional RAM preview, so I assume there is some problem with the cached files or the retrieval of them.
Is anyone else getting either of these? If so, what is your system configuration?
Also, I posted on another thread that Quicktime import/render works with AE CS6 on this computer, but AE CC can not import, play, or render QT reliably (without throwing error messages). Perhaps all of this is part of the same problem.
Thoughts?
Cheers,
Benjamin
CS 6 CC | Mac OS 10.8.4 | MacPro5,1 | 96 GB Ram | PROJECT & MEDIA drive: Mercury Accelsior > 500 MB/s read/write | CACHE drive: Mercury Accelsior > 500 MB/s read/write | Nvidia Quadro 4000 Mac | CUDA Driver: latest update | Wacom Intuos 5

96 GB RAM is accessible in 10.8.4 on my machine according to OWC. I'm working on a stereoscopic 4K project with large files and hundreds of layers. I regurlarly render with AE MP while working with huge files in PS, and am glad to see the % of RAM AE uses displayed in my render cue between 3 and 60%.
I have 12 processors (24 with hyperthreading)
I have reserved 10 for other applications leaving 14 for After Effects
4 GB per x 14 = 56 GB for AE. leaving 40 GB for everything else
I've played with what and how much I have allocated being sure to keep the CPU counts even, but this does not fix the RAM preview problems described above. Any other suggestions?
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Benjamin

Mac Pro has problems rendering and RAM previewing in Adobe AE

I've been using Adobe After Effects 7 and I have a 3g new Mac Pro. It's a great computer, really fast with Final Cut Studio Universal, etc. and when rendering sequences in FCP the program doesn't quit. BUT, when I'm trying to RAM preview or render a composition in Adobe After Effects the application will quit unexpectedly everytime. I found that it would only quit when the composition was over approx. 30seconds, but I've used an eMac that never had problems rendering much longer clips. The fact that the program quits after a certain amount of time makes me think it is an issue with RAM availability to the program, as in a conflict with the program, and the new intel-based Mac Pro. I've asked around on the Adobe website but there is no specific solution. Has anyone heard talk that the intel-based Macs or new OSX, are conflicting with Adobe applications, etc?

Mostly correct, Jim. Photoshop CS3 (UB) Beta is available for download and a time-limited license to CS2 license-holders. The time-limit is unspecified, but Adobe says it will end when CS3 is released.
All good reports the last time I checked on various fora.
(CS3 install does not overwrite CS2, so in case Adobe releases CS3 and pulls the plug on those time-limited CS3 Beta licenses, you'll still have CS2 to limp along with until you receive 3.)
CS2 seems to work fine on an Intel Mac, though slower because it's running in Rosetta. Heck, I'm using CS without difficulty, other than the slowness.
However, all that doesn't help the OP with AE, which isn't scheduled for a UB release until mid-2007, IIRC.

After Effects CC 2014 (13.0, 13.1, 13.1.1) and Yosemite RAM preview probleme

"We are aware of one issue regarding RAM preview in After Effects on Mac OSX v10.10: When a RAM preview begins to play, the first several frames of the video will not play the first time through; subsequent loops through the same RAM preview duration will play all frames."
when will it be repaired? in the next update?
thanks

paulo freitas wrote:
"We are aware of one issue regarding RAM preview in After Effects on Mac OSX v10.10: When a RAM preview begins to play, the first several frames of the video will not play the first time through; subsequent loops through the same RAM preview duration will play all frames."
when will it be repaired? in the next update?
They have said that it is set to be fixed in the next update. Which should be within the month, if I'm not misremembering.
EDIT: I was misremembering. It is an issue that they're aware of, but are still working with Apple to try to find the source of the problem and, thus, the fix.

RAM preview problem!!

Hi guys & girls!
My after effects will only render 12 sec +/-. Then it automaticlly starts the clip and when I press it again, Nothing happens.
I tried downloading 5,5 & 6 & CC.
I dont know if it is any problems with my RAM, maybe too much used?
I would be very happy if you fixed this for me or help me.
Computer specs; Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz 3.30 GHz. 4,00 GB Ram. 64-bit operating system. 840Gb free space out of 1TB NVIDIA GeForce GTX 650 Dedicated memory 1024 Available grapichs Memory 2789

4GB RAM isn't much. The numbers make perfect sense and are completely normal. There's a reason why it's called "RAM preview" if you want longer previews, get more of it or reduce the preview resolution.
Mylenium

After effects cc RAM preview problem

I recently bought a new rig
i7 4790K running at stock
8gb 1866mhz corsair vengeance pro ram 2x4gb
EVGA GTX 770 2gb superclocked
WD Black 1TB 7200rpm
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Asus Z97-PRO motherboard
I run AE and open a file and import my clip (59.94fps) and add twixtor and then hit ram preview to see if all is good and it either takes a little bit longer than it should
or it would say "Rendering frame switching to foreground" When this happens all seems ok but after the preview I can not scroll through the timeline without lag and pixelation again like as if I havnt hit the ram preview. So it would have the green bar above the clips showing for the ram preview but once the preview is over I can scroll through the timeline for a second then the green bar goes away. I know that the pixelation is due to adaptive resolution
but I have tried changing that to "fast draft" and the pixelation stops but still struggle to view in timeline. I have the preview resolution set to third or quarter.
I thought that getting higher clocked ram would solve the problem atleast a little more. But not to much. So my main question is what am I doing wrong? Or how can I correctly setup AE or my computer to handle this?
The main clip is actually 200fps but I go to File>Interperate footage>Main>Conform to framerate
Changing it from 200fps to 59.94.
My main frustration is I see videos of the kinds of clips I'm editing posted by kids that edited them and I think theres no way they have a pc as expensive as mine that would allow them to edit these clips. So Its gotta be something I'm doing wrong.
Thank you to anyone that helps so much!

Well, for starters, turn off MP rendering. That warning during RAM previews is a clear indication that you are using it and well, with just 8GB RAM it doesn't exactly make sense. The rest is too vague since you haven't provided any proper details about your source file, but suffice it to say that temporal mangling of any kind can have weird effects, even more so if your source files are compressed. Therefore the pertinent thing to do first would be to convert your file to an uncompressed intermediate format, including conforming it to your target framerate. In addition you may simply consider not using any fast previews or the disk cache at all. It is known to be flaky with temporal plug-ins. set your comp to Final quality to enforce software mode rendering.
Mylenium

AE cs3 can't render or ram preview

I have a 5 sec text animation and AE can't export it or ram preview it. I have a 2.2Gz Pc, 2G ram. I export standard DV its ok but when exported a complex text animation it can't preview. It asks me to change things..I don't know what the problem is. Anyhow, I am thinking to get a new computer PC with 6G of memory. I don't know if that would help or improve so I can make complex HD effects etc...in AE. Any help would be appreciated.

This may sound crazy. But sometimes when I hit a bug like this I precompose the whole thing and then it works. Hope that helps.

I am getting an error message when I try and Ram Preview "

"After Effects error: RAM Preview needs 2 or more frames to playback."
My Preferences settings in the the Memory & Multiprocessing section are.
Installed RAM: 6GB
RAM reserved for other applications: 1.5GB
RAM available for AE: 4.5GB
AE multiprocessing
Checked Render Multiple Frames Simultaneously
Ram Allocation per background CPU: 1GB

Your available ram is completely inadequate for rendering multiple frames simultaneously to be used. Turn it off. Also, allocate an even number for ram to other applications. 2GB minimum. Unless you have 16 or more GB of ram turn off MP rendering. Unless you have a lot of free time to wait for AE to render frames and try to struggle along with limited resources upgrade your ram to some multiple of 4GB using MATCHED memory in 4GB increments.

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Eventual audio RAM preview problem...

AE CS3 (with Production Premium): When I include audio in my RAM previews, at first, the previews are instantaneous (as they are supposed to be), but after 15 minutes or so, AE starts to take a long time to RAM preview any comp that has audio in it. When I disable audio for RAM preview, everything goes fast again. If I shut down AE, and start again, everything is good again - but the same problem starts all over again and eventually, I have the same problem with audio. This problem happens even if I occasionally purge the memory cache. Any ideas?
I have 4 GB of RAM.
I have enabled the 3GB switch.
Win XP Pro.
Dell Precision T7400 - Dual Quad core.
Lots of HD space.
Nvidia Quadro FX 570.
Sound Card: Creative Soundblaster X-Fi

See "FAQ: Why does RAM preview only play part of my composition?".

Issues with performance and RAM previews

Just did a major system upgrade from an iMac to a Mac Pro, and now I'm having an issue with performance...specifically with RAM previews.
When I try to do a RAM preview with audio, it grinds my entire OS to a hault (can't switch apps, or click on much of anything). It eventually clears up enough for me to stop the RAM preview.
So, I'm wondering if maybe my Memory & Multiprocessing settings might be off.
Here are my system specs:
Mac Pro
2 x 2.4GHz 6-Core Intel Xeon (12 cores)
64GB RAM
ATI Radeon HD 5870
AE CS6 (11.0.2.11)
AE is installed on an SSD drive and the scratch disk is an internal HDD.
Here are my AE Memory Settings:
Here's my GPU Info:
Let me know if any other info is needed...

You are reserving far too little RAM for other software.
See this: "Performance tip: Don't starve your software of RAM."
(Also, I recommend going through all of these materials: http://forums.adobe.com/thread/543440 )
Regarding the SSD: Putting your application files on it means that applications load/boot faster. This is fine, but that benefit is just when you first start the application. If you put your cache files on it, then you get the benefit every time that something is read from or written to the cache---i.e., many times per second, for the entire time that you're working. Put your cache files on your SSD. BTW, there's no reason to not put your application files and caches on the same SSD. The reason that you split things across multiple disks is to prevent simultaneous reads and writes to and from a slow disk; the program loading from disk happens at a different time than reading and writing cache files, so there is no potential for conflict and slowdown.

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I got render and RAM preview problems. help?

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