Participant

P: Photoshop drawing random lines when using tools (Remove, Brush and other drawing tools)

Forum|Forum|5 months ago
January 28, 2026
68 replies
3973 views

Bonjour,

Quand j'utilise l'Outil Correcteur Localisé en cliquant avec ma souris sur une zone de la photo à l’écran, une multitude de lignes partent dans tous les sens. Donc cet outil ne fonctionne plus depuis plusieurs jours. Est-ce un bug ?

Pinned Reply By Bkelley01

I was having the same issues with multiple tools in Photoshop. Finally after a day of trying all things, we have found a solution on Reddit. I tried it and it fixed it right up. This is for PC only.

Create a text document with Notepad. Name it “PSUserConfig.txt”
Write “UseSystemStylus 0” in the text body (that’s a zero not an “O”)
Save it in “C:\Users\*YOUR USER NAME*\AppData\Roaming\Adobe\Adobe Photoshop 2026\Adobe Photoshop 2026 Settings

(In step 3, *YOUR USER NAME* is unique to whatever your username is.)

Restart photoshop and the tools should work again.

Credit to u/Professional_Use442 on Reddit for sharing this fix. Note: If you want to use the stylus again you’ll have to follow their instructions on how to re--enable the stylus mode.

ACEkin

Participating Frequently

I found a solution to my problem in a very odd way. It still does not explain what was causing the problem.

I created a new user on the same computer, logged in with the new credentials, started Photoshop, and all the tools were working fine even with scaling more than 100%. Then, I moved all my files from under my original user account to the new account, including all the AppData folders. Now, I can run it at high resolution with 150% scaling, and everything is working OK. I am still using all the applications installed on this computer under the original user. Phew! (Until the next mystery problem!)

ACEkin

Participating Frequently

I can now trigger this problem at will! I use an image viewing software, FastStone viewer, but it may happen with other applications too. HiRes screens make it difficult to see the menus and other screen elements and much advised process is to change the HiDef screen handling from the EXE file properties. Putting a checkmark in that box and selecting to override high DPI setting, and then choosing System (Enhanced) option and saving it starts the problem. Even though it is not Photoshop.exe files proerties are changed, after the above changes to FastStone.exe file, Photoshop starts showing the odd behavior along with another one I tried to solve for quite a long time. From now on, I will not override the high DPI setting in the properties. They even recommend the same change to be applied to Photoshop.exe file to enlarge the UI. WARNING, if you do this, immediately chech how Photoshop is responding.

ACEkin

Participating Frequently

I wrote an article on my site to summarize my findings:

https://www.keptlight.com/strange-photoshop-problem/

ACEkin

Participating Frequently

I tried this but my problem continues. This file changed the width of the brush a little at the far end. I am putting links to two Dropbox screen capture videos. One is how the brush behaves and the other polygon lasso. In the brush video, each click produces a diagonal line. If I hold the Shift key down, it adds a horizontal line to it. The lasso video shows a similar behavior as if the cursor is a fixed distance away. I used the touch-pad and a mouse, the behavior is identical with both. I used the polygon lasso tool on the paint brush drawings.

https://www.dropbox.com/scl/fi/e6xrczvj42fhs0rey4ycl/Photoshop-paint-brush-problem.mp4?rlkey=v5iqwr08b3mprqc276xpx5pib&dl=0

https://www.dropbox.com/scl/fi/ezo47viwab8d0yszfcn2w/Photoshop-polygon-lasso-behavior.mp4?rlkey=c7dtz096iadhd2kvqljlvkq3j&dl=0

This is happening on a laptop, LG gram, 17” screen. The same problem occurs with other similar tools like the healing brush, stamp, spot healing brush.

Looking forward to a solution.

ACEkin

Participating Frequently

I would like to add another piece of information. My laptop display recommendations are as follows:

Any Scale setting other than 100% creates these problems. If I set the Scale to 100% tools start working as expected. But, then, the interface gets too small to read. As I mentioned in my original post, my laptop is an LG gram, 17” screen laptop. I even uninstalled Photoshop and reinstalled it, but it is unusable on this computer. On my desktop, it workes even though its Scale setting is over 100%.

If I change the Display Resolution to 1920x1200 and keep the scaling at 100% Photoshop tools seem to work fine. The problem seems to be related to display scaling.

E

Erika2963947283u1

Participant

Hola tuve el mismo problema y probe haciendo esto y aparentemente funciona. De todas maneras Photoshop no deberia hacer esto arreglenlo! desperdicie horas de mi dia hoy tratando de trabajar y fue muy molesto hasta que lo pude resolver.

Ged_Traynor

Community Expert

@MinKeun23625770gblq there’s a thread here about that very issue

M

MinKeun23625770gblq

Participant

감사합니다

Trevor.Dennis

Community Expert

Your screen shot took a while to load, and I had not seen it with my first reply.

Are those brush strokes happening when you move the mouse/tablet, or without input from you?

Can you describe in more detail what is happening?

Trevor.Dennis

Community Expert

Are you using a mouse or tablet?

Do you have brush smoothing enabled?

What version of Photoshop ar4e you using?

What operating system and version?

M

MinKeun23625770gblq

Participant

브러쉬나 올가미툴을 처음사용하면 자기 혼자 마구잡이로 칠해집니다

이유를 알고 싶습니다

Rachel-1994

Participant

Is there a fix to this? My lasso & clone tools aren’t choosing areas I want.

T

Turone24

Participating Frequently

the highlighted post by Bkelley fixed the bug for me! good luck

SolinReb

Participant

Hi everybody, i have the same problem as this post, i tried the solutions available but nothing works :(
i would appreciate some help!i need this to be fixed so that i can keep working normally omg

SolinReb

Participant

Hi its me again, after reviewing how i did the solution pinned in the main post, i noticed that my text file was named “PSUserConfig.txt.txt”, so dont be dumb like me and be careful to NOT write the extension in the name of the file
Seems like its working now, THANKS BYE

sbn85

Inspiring

so you do not have jagged/wobbly lines when using PSUserConfig.txt ? Do you use graphic tablet? Im curious

Kuya Quatro

Participating Frequently

See attached video. My computer info:

Processor: AMD Ryzen 9 9950x3d

Ram 128 gb

Graphics: Geforce rtx 4090

Windows 10 Pro Version 22h2, os build 19045.6466

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