Pdf download invalid format

Developed in the s, PDF came into existence as a read-only file format that could maintain a fixed format. The very basic reason for this remained in the fact that a secured sharing of documents from one to another computer was very difficult earlier. In the years that succeeded, PDF seems to have become one of the most popular document formats all across the globe.

Be it a book or a document, PDF is valued among all peoples. It restores PDF intrinsic fields like header, footer, images, graphics, texts, labels, etc. Try the demo version of the tool for free.

Let us look at the errors which create huddles while working with PDF files. Also, let us seek out ways to solve these errors to use PDF with ease. PDF has two new or updated versions namely Each of these versions has enhanced its security by a very rigid parsing of the PDF-header. Verify that the patch package exists and that you can access it. Another important reason being Corruption. In case of Corruption, the metadata issues in the PDF file occur, especially while the original document is being generated, scanned, etc.

As a result of the metadata problems, an invalid PDF file is produced and hence the above Error messages! The error occurs usually when you try updating an old Acrobat version to a higher version.

Solution: Solution 1- To undo this error, do the following:. Solution 2- As has already been said, the error crops up when you try to update Acrobat to newer or higher versions.

You could use these steps to correct the error: Step — 1: click on the Start button. Step — 2: Click on Run. Click Ok. A pectoral description of the Error is given here below: Solution: Since this occurs when you use Google Chrome, change the browser to either Internet Explorer or Firefox. There are as many solutions as there are errors in the usage of PDF, explaining which would require yet more time and space. There is an inbuilt technique to repair the Adobe Repair. You should use it to handle such error messages-.

A simple solution for this error message can be the quick removal of the temporary files from the Internet Browser. They may be slowing down the performance of the browser and stopping the PDF file download. You should check the integrity of the Adobe Reader Installation.

But, if Google Chrome fails to open the PDF file, then you should either download the file again or check the browser settings. Generally, the above-mentioned error occurs when the user has web access and is exporting the documents as the PDF file.

If I debug it opens fine I assume due to the time it takes , if I add a 10 second sleep it works fine, if I add a 9 second sleep it doens't. Its almost as if there is a failure on closing the file or some other termination call in the OS and it times out but no exceptions are thrown.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 5 years ago. Active 3 years, 7 months ago. Viewed 20k times. It's funny because: if I access Downloads folder and click on the downloaded file, it opens properly.

When it finishes downloading, it shows a notification, that click on it opens it properly. Request Uri. GetURL ; request. Any new idea? Improve this question. Christian Christian 1 1 gold badge 3 3 silver badges 13 13 bronze badges. What PDF viewer are you trying to use? What do you wind up giving it as the value of path? Hi CommonsWare I modified the code answering your questions.

A file Uri will not work on Android 7. And, as I asked previously, what PDF viewer are you trying to use? The targetSdkVersion is on However, your cited error message is coming from a particular PDF viewer. Login Sign up. Pdf downloads on phone say invalid format. Dec 3rd, Not a member of Pastebin yet? Sign Up , it unlocks many cool features! Why all PDF files generated with these libraries are not accessible from Android?

When you try to open the PDF in an Android device the. I saved a PDF file to print but it keeps saying invalid format.