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Photoshop Not Running Well? Do This

Photoshop 2025 introduced some powerful features — but also a handful of frustrating bugs and slowdowns.

If you’re noticing lag, weird UI glitches, “scratch disk full” errors (even with tons of free space), or broken tools like the Brush or Save As functions, you’re not imagining things. I’ve been deep in the trenches testing this version, and I ran into the same mess. But after tweaking some settings, I got Photoshop running smoothly again — and you can too.

Here’s a quick guide to solving the biggest problems people are facing with Photoshop 2025 right now.


🐢 1. Photoshop Feels Sluggish or Laggy

Even on high-end machines, simple things like moving layers or typing text can feel delayed.

✅ Try This:

  • Turn off GPU compositing
    Edit → Preferences → Performance → Uncheck "Use GPU Compositing"

  • Purge temporary data
    Edit → Purge → All — Clears out memory Photoshop might be hoarding.

  • Lower History States
    Preferences → Performance → History States
    Set it to 20 instead of the default 50.

  • Disable “Generator”
    Preferences → Plug-ins → Uncheck "Enable Generator"

All of these added up to a noticeable speed boost for me.


💽 2. “Scratch Disk Full” — But You Have Plenty of Space?

This one’s surprisingly common. Photoshop may falsely detect that your drive is full and refuse to open or save files.

✅ Fix It:

  • Manually clear the Photoshop temp folder
    Windows: C:\Users\[YourName]\AppData\Local\Temp
    Delete anything starting with Photoshop Temp

  • Set a different scratch disk
    Edit → Preferences → Scratch Disks
    Choose a different drive if possible.

  • Free up space on your main drive even if it’s not the one assigned — Photoshop still uses it in background tasks.


🖥️ 3. UI Glitches After Windows 11 Update (24H2)

After a recent update, users with dual monitors or high-DPI screens are seeing blurry UI, broken scaling, or greyed-out panels.

✅ Solution:

  • Force proper DPI scaling
    Right-click Photoshop icon → Properties → Compatibility → Change high DPI settings → Check “Override” and set to Application.

  • Enable Native Rulers
    Preferences → Technology Previews → Enable Native Canvas Rulers

  • Update or downgrade GPU drivers
    For NVIDIA users, the Studio Drivers tend to be more stable than the Game Ready ones.


🖼️ 4. Can’t Save as JPEG Anymore?

Photoshop changed the behavior of “Save As” — now you can’t save directly as JPEG unless you enable legacy features.

✅ Restore the Old Function:

  • Preferences → File Handling → Enable Legacy "Save As"
    Or use File → Export → Export As → JPEG.


🔌 5. Photoshop Crashing When Using Plugins?

Some plugins — especially WebAssembly-based ones — instantly crash the 2025 version.

✅ Workaround:

  • Check if the plugin has been updated for Photoshop 2025.

  • If not, reinstall Photoshop 2024 from the Creative Cloud app (under “Other Versions”) and use that version until plugin compatibility returns.


🖌️ 6. Brush Tool Acting Weird (Only Dots, No Strokes)?

Digital painters have reported brush strokes showing up as dots or not rendering correctly.

✅ Try This:

  • Go to Preferences → Cursors and switch between “Standard” and “Precise”.

  • Preferences → Input → Disable “Flick Panning”

  • On tablets, disable Windows Ink if you’re seeing pressure issues.


🧼 Last Resort: Reset Everything

Still seeing strange behavior? A full reset might help.

To reset preferences:

  1. Hold Ctrl+Alt+Shift (Windows) or Cmd+Option+Shift (Mac) as you launch Photoshop.

  2. Choose “Yes” when prompted to delete settings.

Make sure you back up your brushes, actions, or custom workspaces first.


Final Thoughts

Photoshop 2025 can run smoothly — but many users are running into friction from default settings, GPU conflicts, and recent OS updates. With a few tweaks, you can solve most of these problems without downgrading.

These fixes helped me restore stability, performance, and save a ton of frustration. Hopefully they do the same for you.

If you found this helpful, feel free to share it with someone else who’s ready to throw their laptop across the room.

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