@Rubberlegs  You're mixing up resolution and file size. Those two are very different things.   The jpeg file format uses very aggressive data compression to reduce file size on disk. It normally shrinks a file down to 1-10 % of native uncompressed size. This has nothing to do with resolution. The size reduction depends on compression level, but notably it also depends on image content, by a factor of up to 10x or more.   The point is that jpeg file size says almost nothing about resolution.   This dramatic size reduction comes at a price. Jpeg compression is destructive, non-reversible and cumulative. A jpeg should be treated as one-off final delivery when bandwidth is a limitation (such as for web). ... View more

@Rubberlegs  You're mixing up resolution and file size. Those two are very different things.   The jpeg file format uses very aggressive data compression to reduce file size on disk. It normally shrinks a file down to 1-10 % of native uncompressed size. This has nothing to do with resolution. The size reduction depends on compression level, but notably it also depends on image content, by a factor of up to 10x or more.   The point is that jpeg file size says almost nothing about resolution.   This dramatic size reduction comes at a price. Jpeg compression is destructive, non-reversible and cumulative. A jpeg should be treated as one-off final delivery when bandwidth is a limitation (such as for web). ... View more

Roger on the storage warning   By @Mike26815210hnb7   I'm not primarily talking about storage. I'm talking about temporary working data, deposited on disk by the operating system and all your applications to keep the system operational and running. Most of this is removed when the system shuts down, but not all. The user account tends to grow and fill up over time, unless you clean it out.    Generally, you should never allow a system drive to fill up beyond 60 or 70 %.  ... View more

This has been reported many times, in several different batch-processing scenarios. The mask is simply reused, not recalculated.   Just FYI. This should probably be a bug report - or a feature request if it's a known limitation in the current code. I don't know which applies here. ... View more

Crashing is nearly always the graphics processor (GPU).   Please post Help > System Info from Photoshop, which shows the complete GPU configuration. Just paste the whole thing into a reply. ... View more

It works exactly the same way as it always has. No functional change. As I said above, I use Selective Color constantly, it's my favorite color correction tool.   But I agree that the colored sliders have no place here, and I'd be happy to remove them if I could. It makes no sense in the context of how this tool is used. ... View more

Yeah, flat paintings is fairly routine and straightforward. Use two identical lights, one at each side, at 45 degrees angle. This will normally cancel out any small-scale texture in the base, such as canvas.   The problem with scanners is that they use one-directional light at a fairly steep angle, bringing out every last bit of texture.   Make sure the lights are positioned far enough away, so that the light is perfectly even over the entire surface. Uneven light is very tricky to correct afterwards.   If it's thick heavily textured paint (impasto), this won't work. Then you need to use soft light from the top (light source diffused over a large area). For this you can either use a large soft box, or bounce the light off the ceiling or a white wall. Again, don't put the light too close, or you'll get noticeable light falloff from top to bottom.   And then color. You really do need one of these. Put it in a reference shot:   You won't be able to match every color patch and that's not necessary; don't fuss over that. But use the neutral patches to set gray balance and overall tone. All the patches have standardized Lab values, translatable to any RGB. The third darkest gray should correspond to sRGB 124 (or 48% in Lightroom).   Calibrate and profile your monitor so that you can trust what you see! That's a whole lengthy subject in itself, which I can't get into here. But assuming you have that right: use your eyes. If it looks right, it is right.   Reflections can be killed using cross-polarized light. That's a polarizer on the lens, and polarizing film on the light sources, rotated 90 degrees relative to each other. This removes pretty much all surface reflections (only workable with flash, or the polarizing film may melt). It will boost contrast and saturation a little more than what is strictly correct, so you'll need to dial down a bit in post. Here's an example:   Oh, one more thing: LED is everywhere now, but it has one major problem for art repro: It has very uneven spectral distribution, with spikes at some wavelengths (colors) and dips at others. Old fashioned incandescent light is better, but flash is really optimal. If you have to use LED, camera profiles are needed for critical purposes, or extensive correction in post is inevitable. Avoid LED if you can.   ... View more

because other apps are going to compress it more optimally.   By @jan_peeters   In that case I would consider exporting to a non-destructive format like PNG, so you're starting with the full image data.   There is no such thing as maximum quality with jpeg. The jpeg algorithm is always destructive, even at the highest setting.   I know, not answering your question (I don't know if you can set a default here). ... View more

Sounds like corrupt preferences. For a complete reset, go into your user account and move the whole Settings folder to your desktop (in case you need to retrieve something later). This returns the application to clean factory state.   Save out your custom actions, brushes etc. prior to resetting. They will not be preserved. ... View more

I think you need to be more specific. What UI update?   If you mean the simplified right-click menu, this can be reverted in Preferences/Settings. ... View more

Yeah. It's obviously GPU memory (shared system memory) going to the system pagefile, and the GPU memory consumption not being checked/limited when it has free access to the system memory pool. Meanwhile, the scratch disk takes its own disk space. IOW, a conflict.   I think engineering should take a look at this. We see quite a few cases of this.   And all that said, you really are dangerously low on disk space. You're soon looking at much bigger problems than Photoshop. I can fill up 66 GB in a half hour. ... View more

Actually the eye icon will not be clickable if there are no settings applied. So you must have something. ... View more

Is this 100%? It's critical that one image pixel is represented by exactly one physical screen pixel.   At any other zoom ratio it's subject to different screen resampling algorithms, and the GPU/driver will play a part in that. ... View more

Please show a side by side screenshot at 100% zoom. ... View more

This is an enormously big file that exceeds the size limit for the PSD format. 55 000 x 30 000 pixels is far beyond what is ever needed in any practical situation.   You have most likely specified 1920 x 1080 inches instead of 1920 x 1080 pixels.   Reduce it to a sensible size, and PSD will become available again.     ... View more

Not sure what you all want - but just so you're all aware, Photoshop cannot delete files. Even if you remove it from your home screen, it's still there on disk.   To really delete it, locate it in a proper file browser (Windows Explorer or Bridge) and delete it there. Then it will disappear from the home screen next time you click it.   The home screen just contains passive links to wherever a file was last saved. It's just a library card, pointing to a certain location on disk, whether something is there or not.   I have always had the home screen disabled, but I assume it will follow this setting: ... View more

Please post the full Help > System Info from Photoshop.   This does come up from time to time. It is apparently GPU-related. The memory is used by the GPU, not Photoshop - but the complicating factor is that the GPU uses this memory performing tasks  directly called by Photoshop.   Some people have fixed it with a complete reset of preferences. The preferences contain the full application configuration, and corrupt preferences do tend to look like application bugs. ... View more

@K-ozDragon  To be clear, so we don't talk at cross purposes: are you using the cloud-based Lightroom, or the local Lightroom Classic? Two different applications, confusing naming conventions. Are your files stored in the cloud, or on physical drives in your machine?   If you are using Lightroom Cloud, it seems you'd be much better off switching to Lightroom Classic.   If you are using Lightroom Classic, and it behaves as you describe, something is very wrong. This isn't the way it normally works at all, and it's either a corrupt install or corrupt preferences.   ... View more

installed software like Adobe. By @laurenh22769   I still believe this is the problem. Any complex software needs to be installed, not moved. And the reason is as I said above: the Windows registry. An installer manages a large number of registry keys that need to be correctly entered. Thumbnails is one of many things that is ultimately controlled by the registry.   The first thing I would try is to uninstall and reinstall all larger software packages, like Adobe. Use the Adobe CC desktop app to do this, don't uninstall from Windows. The CC desktop app is the application manager for all Adobe apps and handles installs and updates. That should set the registry right. ... View more

@MikeRosenberg    Yes, that is what I've been saying, above and elsewhere. This memory is used by the GPU.   But it's not as simple as what you describe. The GPU is an integral component in Photoshop processing, and it's performing tasks directly called by Photoshop.   A red flag here is that this seems to happen on systems with an integrated GPU, and the notable implication is that an integrated GPU uses shared system memory.   A discrete GPU has its own onboard memory, and this doesn't seem to be an issue there. What I've noticed is that the GPU tends to use memory as long as it's available, and then level out. That's fine and unproblematic with onboard VRAM, memory is there to be used, but when it starts to eat into available system memory, it needs to be checked. And that doesn't seem to happen in these cases.   I'm not ruling out a Photoshop bug here. I don't have a degree in computer science, so I won't have an opinion about causes - but you can certainly make observations that point in a certain direction.   In any case, as I've also pointed out before - a lot of users have come back reporting that a full reset of preferences fixed it. That points to a configuration issue, and configuration is precisely what the preferences contains. Corrupt preferences usually look like application bugs. ... View more

@Ged_Traynor @laurenh22769  Oops...red flag, smoking gun....that kind of thing always happens when you try to move something from one machine to another, instead of installing properly. What people tend to forget is this thing called the Windows Registry. ... View more

Over a network, even more risky...   I can only point to the link above again. Read it carefully. ... View more

Are you saving directly to an external drive? If you are, don't. The risk of file corruption is high, partly because of all the extra layers of drivers and protocols - but mainly because an external drive tends to get bumped around a lot, causing cables and connectors to become unreliable. It only takes a nanosecond broken connection to corrupt a file.   Save to local drive, then copy over.   https://helpx.adobe.com/ca/photoshop/kb/networks-removable-media-photoshop.html  ... View more

@xanathon  Resetting preferences is not a "snake oil answer".   Preferences are rewritten in full on every application exit. That makes them vulnerable to corruption by irregular shutdowns and crashes - as opposed to read-only program files. Errors accumulate. Preferences contain a whole lot more than your own user settings. It's the complete application configuration, including lots of hidden and system-dependent parameters.  Corrupt preferences usually look like application bugs, and are frequently mistaken for that. For any inexplicable and odd behavior, corrupt preferences is the prime suspect. ... View more

Windows Explorer displays PNG thumbnails, there shouldn't be any need for third party codecs. If it doesn't, something's wrong - but that would be on the Windows side, not Photoshop. ... View more

A fairly common problem when uninstalling old versions is breaking file associations (which application opens a file type by default). This is a recurring issue here in the forum.   The safe way to avoid any problems is to always follow version order both ways. When uninstalling, start with the newest version and work backwards.   So in this case: uninstall 2025 uninstall 2020 reinstall 2025   What happens is that the old version takes file associations with it on the way out, leaving them orphaned.   If it already happened, an uninstall/reinstall will usually fix it. Sometimes it's enough to go into Windows Settings and manually reassign file associations.   ... View more

I take it you mean 500 GB, not MB? Please post the full Help > System Info from Photoshop.   We've seen a few varieties of excessive memory consumption. In a lot of these cases, users have come back reporting that a full and complete reset of preferences fixed it, so try that.   It seems systems with integrated GPUs are vulnerable to this, as these GPUs use shared system memory, and most likely the memory is taken by the GPU.     ... View more