Fix Photoshop Error: Invalid Jpeg Marker Type Is Found

Several Windows users complain that they get the “Could not complete your request because an unknown or invalid JPEG marker type is found” error when trying to open certain images with Photoshop. Typically, affected users report that they are able to view the image in their browser or open it with a different software. This is not a platform-related issue as it’s also reported on Mac computers.

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Could not complete your request because an unknown or invalid JPEG marker type is found

What is causing the “Could not complete your request because an unknown or invalid JPEG marker type is found” error

We investigated this particular issue by looking at various user reports. We also managed to recreate the issue on our testing machines. Based on what we gathered, there are several different scenartiện ích ios that will trigger this error message:


The image is of a different file type than advertised in the extension – Most of the time, this issue occurs with images that have sầu the JPEG extension when they are actually PNG (or a different image format). As it turns out, Photoshop does not like opening files that don’t have the correct extension.The image tệp tin is corrupted – This typically happens with JPEG files that are really tiny (few kilobytes). Several users encountering struggling with this error due to corruption have sầu managed khổng lồ get the issue resolved after opening and saving the image with Paint.

If you’re struggling lớn resolve sầu this particular issue, the steps below will help you khổng lồ troubleshoot the issue. Next, we’ll show you a couple of methods that other users in a similar situation have sầu used to get the issue resolved.

All the methods presented below will help you achieve sầu the same over result, so feel không tính phí to use whichever seems more conveyable to your situation.

Method 1: Using Irfanview lớn automatically convert the image lớn the correct extension

Since Photosiêu thị doesn’t lượt thích to lớn open images that don’t have the right extension, we can use an application that will automatically fix the error by changing the extension to the correct one.

The most popular way lớn vì chưng this is by using IrfanView – a freeware image viewer. A lot of users facing the same scenario have reported that the following procedure enabled them lớn resolve the error message indefinitely.

Here’s a quiông chồng guide on installing and using IrfanView to fix the issue by changing the image extension automatically:

mở cửa the installation executable và follow the on-screen prompts khổng lồ install it on your computer.Right-cliông xã on the image that is showing the error và choose xuất hiện with IrfanView.
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Opening the troublesome image with IrfanViewIrfanView will automatically show you a Warning prompt telling you that the tệp tin has an incorrect extension. Upon clicking Yes, the software will automatically convert the file khổng lồ the correct extension.
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Renaming the image to the correct extension automaticallyNow that the file’s extension has been modified, you can open the image with Photosiêu thị. It won’t show the “Could not complete your request because an unknown or invalid JPEG marker type is found” error anymore.

If you’re looking for a fix in which you don’t need to install additional software, move down to the next method below.

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Method 2: Saving the image with Microsoft Paint

Another popular method that a lot of affected users have made use of lớn resolve sầu the “Could not complete your request because an unknown or invalid JPEG marker type is found” error is the Paint triông xã.


We have sầu tested this ourselves and we can confirm that it works. Turns out that whenever you get this particular error in Photosiêu thị, you can open the same image with Paint, save it in a different location and the problem will be solved.

Here’s a quiông chồng guide on how to bởi vì this:

Right-click on the image that is showing the error & choose mở cửa with > Paint.
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Paint" width="573" height="418" srcset="https://umakarahonpo.com/could-not-complete-your-request-because-an-unknown-or-invalid-jpeg-marker-type-is-found/imager_4_45070_700.jpg 573w, https://cdn.umakarahonpo.com/wp-content/uploads/2018/11/paint-150x109.jpg 150w, https://cdn.umakarahonpo.com/wp-content/uploads/2018/11/paint-300x219.jpg 300w" sizes="(max-width: 573px) 100vw, 573px" />Right-click on the affected image & choose mở cửa with > PaintIn Paint, go to File > Save as and then choose an extension from the menu. Then, save sầu the same image tệp tin with a different name.
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Saving the image in Paint with a different extensionmở cửa the newly created image in Photosiêu thị. It should no longer show the “Could not complete your request because an unknown or invalid JPEG marker type is found” error message.

Method 3: Opening the image with a Hex Editor

This might seem like an overcomplicated method, but you can actually determine if the extension of the image is correct by opening the file in a Hex editor.

Keep in mind that each graphics files will invariably begin with the same characters if you open them in a Hex editor. If you know the characters of the most comtháng types of image file, you’ll be able lớn change the extension khổng lồ the correct one.

Here’s a quiông xã guide on using a Hex Editor to see which extension is correct according to lớn your image file:

mở cửa the troublesome image tệp tin in the text editor and check the characters at the very start.
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Verifying the first characters with the Hex Editor

Then, compare them with the menu below & see if you get a match aước ao the most common file types:

JPEG: ff d8 ff e0 00 10 4a 46TIF,TIFF: TIFF: 49 49 2aPNG: 89 50 4e 47BMP: 42 4d 38GIF: 47 49 46 38 39 61PSD: 38 42 50 53PDF: 25 50 44 46 2d 31 2e 36 0d 25 e2 e3 cf d3Once you identify what the correct extension should be, cthua the Hex editor and bring navigate to lớn the location of the file using File Explorer. Then, right-cliông chồng on the image, & modify the extension accordingly.

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Renaming the tệp tin with the correct extension manuallyNote: If you can’t see the extensions of your files, go khổng lồ the View tab in the ribbon at the top và kiểm tra the box associated with File name extensions.

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Enabling File Name Extensions from File Explorer Once the extension has been modified accordingly, open the image with Photocửa hàng again. You will no longer encounter the “Could not complete your request because an unknown or invalid JPEG marker type is found” error.