Asked 6 years, 11 months ago. Active 5 months ago. Viewed 6k times. InvalidPdfException: Rebuild failed: Error reading string at file pointer ; Original message: Error reading string at file pointer at com.
Is there way to go around this error and proceed? We faced similar issues for secured PDF and we did unlock. Please suggest.
Improve this question. Selvakumar Ponnusamy. Selvakumar Ponnusamy Selvakumar Ponnusamy 4, 7 7 gold badges 35 35 silver badges 69 69 bronze badges. If possible, please share the PDF. If not, at least share a small except sound offset Sorry It's confidential. Is there anyway to take offset? I meant a small "excerpt around" Smart phone keyboards Why does this happen? Please find answers in the following content provided by MiniTool Solution. PDF files are mainly used to present documents including images and text information.
But the problem is some users can't open PDF. What are the causes of PDF files not opening? Thus, the chances of file corruption or error are reduced.
When the Adobe Acrobat Reader users try to open PDF files from other sources like Outlook, then it may show an error due to the protection mode enabled for such activities at the software startup.
If the PDF file shows errors for invalid volume and invalid path or invalid character, then you can remove the fault lines based on the error type. For an invalid path or volume, you can change the path and volume by downloading the PDF file again.
For an invalid character, you can delete its entry in registry settings. If the user is getting this error, then it shows the problems in the integrity of the downloaded PDF file. You can either repair the PDF file or download it again. If the file is working fine in other readers, then you can manage the problem in the PDF reader separately.
Google Chrome offers many benefits and opening a PDF file is one of them. As soon as you download a PDF file, it will open a new tab. If you are getting a grey screen issue, then it can be due to different reasons. Perhaps, the file was not downloaded completely, and you tried to open it abruptly. More reasons can be an interrupting extension, the large size of the file, or the presence of cookies and cache.
There could be a simple workaround when you save the PDF file and right-click to the file. If you were installing or updating the Adobe Creative Cloud desktop application and it is showing the error code 43, then this can be due to the problem in installation.
Your antivirus program may be stopping the installer file from running or downloading the necessary files. It will stop the installer file from moving from the temporary directory to Program files. So, you should disable the antivirus program temporarily and run the installer file again. The internal error occurs during the installation of the Adobe PDF reader. The installer file remains in the suspended mode and shows the status — Publishing product information.
There are many factors when PDF files fail to open or download. Those are: n for new line, r for carriage return, t for horizontal tabulator, b for backspace, f for form feed, for left parenthesis, for right parenthesis and for backslash. Arrays in PDF documents are represented as a sequence of PDF objects, which may be of different types and enclosed in square brackets. This is why an array in a PDF document can hold any object types, like numbers, strings, dictionaries and even other arrays.
An array may also have zero elements. An array is presented with a square bracket. An example of an array is presented below:. The key must be the name object, whereas the value can be any object, including another dictionary. The maximum number of entries in a dictionary is entries.
A stream object is represented by a sequence of bytes and may be unlimited in length, which is why images and other big data blocks are usually represented as streams. A stream object is represented by a dictionary object followed by the keywords stream followed by newline and endstream. The stream dictionary specifies the exact number of bytes of the stream.
After the data there should be a newline and the endstream keyword. Common keywords used in all stream dictionaries are the following note that the Length entry is mandatory :. The stream data in the object stream will contain N pairs of integers, where the first integer represents the object number and the second integer represents the offset in the decoded stream of that object. The First entry in the dictionary identifies the first object in the object stream.
In PDF 1. Each cross-reference stream contains the information equivalent to the cross-reference table and trailer. First of all, we must know that any object in a PDF document can be labeled as an indirect object.
This gives the object a unique object identifier, which other objects can use to reference the indirect object. By declaring an object an indirect object, we are able to use it in the PDF document cross-reference table and reuse it by any page, dictionary and so on in the document.
Since every indirect object has its own entry in the cross-reference table, the indirect objects may be accessed very quickly. The object identifier of the indirect object consists of two parts; the first part is an object number of the current indirect object. The second part is the generation number, which is set to zero for all objects in a newly-created file. This number is later incremented when the objects are updated. We can refer to the indirect objects with indirect reference, which consists of the object number, the generation number and the keyword R.
To reference the above indirect object, we must write something like below:. Most of the objects in a PDF document are dictionaries. Page objects are connected together and form a page tree, which is declared with an indirect reference in the document catalog. The whole structure of the PDF document can be represented with the picture below [1]:.
Figure 7: Structure of the PDF document source. In the picture above, we can see that the document catalog contains references to the page tree, outline hierarchy, article threads, named destinations and interactive form. From the picture above, we can see that the Document Catalog is the root of the objects in the PDF document. It also contains the information that declares how the document will be displayed on the screen.
The entries in the document catalog are as follows:. The reader can take a look at our sources for details. An example of the document catalog is presented below: 1 0 obj.
The pages of the document are accessed through the page tree, which defines all the pages in the PDF document. The tree contains nodes that represent pages of the PDF document, which can be of two types: intermediate and leaf nodes. Intermediate nodes are also called page tree nodes, while the leaf nodes are called page objects. The simplest page tree structure can consist of a single page tree node that references all of the page objects directly so all of the page objects are leafs.
Each node in a page tree has to have the following entries:. A basic example of a page tree can be seen below: 2 0 obj. We can also see that the leaves of the page tree are dictionaries specifying the attributes of a single page of the document. There are multiple attributes that we can use when defining them for each document page. Figure 8: Simple document. We can see that the. We can compile the. The resulting PDF then looks like this shown in the picture below:.
Figure 9: Result. Fullbanner This is pdfTeX, Version 3. We also need to remember that all the encoded data streams were removed and replaced with three dots for clarity and brevity.
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