How To Fix Selected File is Not a Valid ISO File Error

These days, a large number of PC users prefer installing Windows OS from a USB drive instead of traditional DVD disc. Most PC users prefer using the official Windows 7 USB/DVD Download Tool.

Windows 7 USB/DVD Download Tool sports an easy-to-use interface and is compatible with Windows 8 and 8.1 as well, but at times when you open Windows ISO file by clicking the Browse button, the tool shows “The selected file is not a valid ISO file. Please select a valid ISO file and try again” error.

Users who want to fix “The selected file is not a valid ISO file. Please select a valid ISO file and try again” error with the help of a free software can follow the given below instructions.

Step 1: Download Img Burn software from here and install the same on your PC. As some of you know, Img Burn is a free software and is compatible with all recent versions of Windows, both 32-bit and 64-bit systems.

Step 2: Launch Img Burn, click Create image file from files/folder. Drag and drop the ISO file to Img Burn window to add it to the source list.

Step 3: Select a location to save the new ISO file by clicking the Browse button next to Destination box.

Step 4: Click on the Options tab on the right-side pane of Img Burn and select the file system as ISO9660 + Joliet + UDF from the drop-down menu.

Step 5: Finally, click the Build button (see picture) to begin saving the edited ISO file with new file system. Click Yes button when you see the confirmation dialog and click Yes button again if you see confirm Volume Label dialog box, and finally, click OK button to begin saving the ISO file.

Once the job is done, you can run Windows 7 USB/DVD Download Tool again and browse to the newly created ISO file to prepare the boot-able USB/DVD without any issues.

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Written by NAIHAN

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