How to fix existing PDFs corrupted by installed Adobe update?
I installed the latest Adobe update that popped up on my Windows 7 screen only to find that all previously existing PDFs now come up as 'Greek' codes. How do I restore the PDFs to English words?
It sounds like someother program is opening the pdf files. Are you sure you are opening the files with Reader? Try this. Open Reader use the File->Open dialog box to open the pdf. If they still look greek, then uninstall Adobe Reader and try re-installing.
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How to edit existing pdf's from RoboHelp 8
Hi,
Our company had been using an old version of RH5 for many years, and we've recently upgraded to RH8 to manage our company Infocenter (knowledge repository). We have many pdf files within this repository.
Before upgrading to RH8, we would edit pdf files using Adobe Writer very easily. However, after upgrading to RH8 and installing it on a brand new computer, our attempts to install Adobe Writer failed with a message saying there is a more functional product already installed on the workstation. No other Adobe products apart from RH8 are currently installed.
I think this means that RH8 can edit pdf files with no additional software, can anyone confirm? And if so, how do we go about doing it? (For now I only need to know how to edit pdf's, not create them.)
Thanks, and my apologies in advance if this was covered in another thread, but I couldn't find any information.
T.I suspect that Acrobat Writer is seeing the PDF writer that you installed with RoboHelp as being the later version.
I don't use that as I have the full version of Acrobat so I cannot check but I don't believe you can use the lighter version that comes with RoboHelp to edit PDFs.
Thus you can write PDFs with what you have but I suspect you cannot directly edit. You would need Acrobat Pro for that and buying the Technical Communication Suite would have been a better option.
Do you have the source files that created those PDFs? If so you can edit those and use the PDF writer that shipped with RH8 to create new PDFs.
See www.grainge.org for RoboHelp and Authoring tips
@petergrainge -
Hi... i am try to edit existing pdf in itext any one can help me this sending code.......
Using Itext i want to remove some content in the PDF
This is my code i want to Edit or Remove some text in the Pdf
package view;
//import com.itextpdf.text.BaseColor;
//import com.itextpdf.text.DocumentException;
//import com.itextpdf.text.pdf.PdfContentByte;
//import com.itextpdf.text.pdf.PdfCopyFields;
//import com.itextpdf.text.pdf.PdfStamper;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfCopy;
import com.lowagie.text.pdf.PdfCopyFields;
import com.lowagie.text.pdf.PdfDictionary;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfNumber;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
import java.awt.Color;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class SplitingFlat {
public static void main(String[] args) {
String fileName =
"D://OMR//OMRpdf//FlatFlies//EligibilityLists_Flat.pdf";
splitPDFFile(fileName);
rotateFlatPDF();
markPdf();
mergeFlatPdf();
public static List splitPDFFile(String fileName) {
List list = new ArrayList();
int startPageNo[] =
{ 1, 29, 47, 67, 85, 133, 179, 197, 225, 243, 277, 295, 319, 337, 365,
393, 419, 439, 471, 491, 513 };
int endPageNo[] =
{ 28, 46, 66, 84, 132, 178, 196, 224, 242, 276, 294, 318, 336, 364,
392, 418, 438, 470, 490, 512, 532 };
try { /**
* Read the input PDF file
PdfReader reader = new PdfReader(fileName);
int totalPages = reader.getNumberOfPages();
int split = 0;
for (int i = 0; i < endPageNo.length; i++) {
for (int pageNum = 1; pageNum <= totalPages;
pageNum += endPageNo[i]) {
if (pageNum == 1) {
pageNum = startPageNo[i];
split++;
String outFile =
"D://OMR//OMRpdf//flat//split//Flat-split-" + split +
".pdf";
Document document =
new Document(reader.getPageSizeWithRotation(1));
PdfCopy writer =
new PdfCopy(document, new FileOutputStream(outFile));
document.open();
int tempPageCount = 0;
int number = endPageNo[i] - pageNum;
for (int offset = 0;
offset < number && (pageNum + offset) <= totalPages;
offset++) {
PdfImportedPage page =
writer.getImportedPage(reader, pageNum + offset);
writer.addPage(page);
tempPageCount++;
document.close();
writer.close();
list.add(outFile);
break;
} catch (Exception e) {
e.printStackTrace();
return list;
private static void rotateFlatPDF() {
String pdfFolderPath = "D:\\OMR\\OMRpdf\\flat\\split\\";
int split = 1;
File pdfFolder = new File(pdfFolderPath);
if (pdfFolder != null && pdfFolder.isDirectory()) {
String[] pdfFileNames = pdfFolder.list();
if (pdfFileNames != null && pdfFileNames.length > 0) {
int documentNumber = 0;
for (String pdfFileName : pdfFileNames) {
File pdfFile =
new File(pdfFolderPath + File.separator + pdfFileName);
if (pdfFile.isFile()) {
documentNumber++;
PdfReader pdfReader;
String opFile =
"D:\\OMR\\OMRpdf\\flat\\rotate\\" + "DocumentSplitRotate-" +
split + ".pdf";
try {
pdfReader =
new PdfReader(pdfFolderPath + File.separator +
pdfFileName);
int n = pdfReader.getNumberOfPages();
int rot;
PdfDictionary pageDict;
for (int i = 1; i <= n; i++) {
rot = pdfReader.getPageRotation(i);
pageDict = pdfReader.getPageN(i);
pageDict.put(PdfName.ROTATE,
new PdfNumber(rot - 90));
PdfStamper stamper =
new PdfStamper(pdfReader, new FileOutputStream(opFile));
stamper.close();
pdfReader.close();
split++;
} catch (IOException e) {
} catch (DocumentException e) {
public static void markPdf() {
try {
//Flat
String pdfFolderPath = "D:\\OMR\\OMRpdf\\flat\\rotate";
File pdfFolder = new File(pdfFolderPath);
if (pdfFolder != null && pdfFolder.isDirectory()) {
String[] pdfFileNames = pdfFolder.list();
if (pdfFileNames != null && pdfFileNames.length > 0) {
int documentNumber = 0;
for (String pdfFileName : pdfFileNames) {
File pdfFile =
new File(pdfFolderPath + File.separator +
pdfFileName);
if (pdfFile.isFile()) {
documentNumber++;
PdfReader pdfReader =
new PdfReader(pdfFolderPath + File.separator +
pdfFileName);
int pageCount = pdfReader.getNumberOfPages();
String outputFileName =
"D:\\OMR\\OMRpdf\\flat\\mark\\" +File.separator +pdfFileName.substring(0, pdfFileName.lastIndexOf(".pdf")) +
"_OMR_Marked.pdf";
FileOutputStream fileOutputStream =
new FileOutputStream(outputFileName);
PdfStamper pdfStamper =
new PdfStamper(pdfReader,
fileOutputStream);
for (int i = 1; i <= pageCount; i++) {
PdfContentByte cb =
pdfStamper.getOverContent(i);
cb.beginText();
cb.setColorStroke(Color.RED);
if (OMRMarkingUtilityFlatfold.isFlatZone1MarkingEnabled(documentNumber,
i))
OMRMarkingUtilityFlatfold.drawFlatOMRMark(cb,
1, i,
pageCount);
if (OMRMarkingUtilityFlatfold.isFlatZone2MarkingEnabled(documentNumber,
i)) {
PdfContentByte cb2 =
pdfStamper.getOverContent(pageCount);
OMRMarkingUtilityFlatfold.drawFlatOMRMark(cb2,
2, i,
pageCount);
if (OMRMarkingUtilityFlatfold.isFlatZone3MarkingEnabled(documentNumber,
i)) {
PdfContentByte cb3 =
pdfStamper.getOverContent(1);
OMRMarkingUtilityFlatfold.drawFlatOMRMark(cb3,
3, i,
pageCount);
if (OMRMarkingUtilityFlatfold.isFlatZone4MarkingEnabled(documentNumber,
i))
cb.endText();
pdfStamper.close();
fileOutputStream.close();
catch (IOException ioe) {
ioe.printStackTrace();
} catch (DocumentException de) {
de.printStackTrace();
private static void mergeFlatPdf() {
try {
PdfCopyFields copy =
new PdfCopyFields(new FileOutputStream("D:\\OMR\\OMRpdf\\flat\\merge\\output1.pdf"));
String pdfFolderPath = "D:\\OMR\\OMRpdf\\flat\\mark\\";
File pdfFolder = new File(pdfFolderPath);
if (pdfFolder != null && pdfFolder.isDirectory()) {
String[] pdfFileNames = pdfFolder.list();
if (pdfFileNames != null && pdfFileNames.length > 0) {
for (String pdfFileName : pdfFileNames) {
copy.addDocument(new PdfReader(pdfFolderPath +
pdfFileName));
copy.close();
} catch (IOException e) {
} catch (DocumentException e) {
package view;
import com.lowagie.text.pdf.PdfContentByte;
import org.apache.log4j.Logger;
public class OMRMarkingUtilityFlatfold {
private static final Logger logger =
Logger.getLogger(OMRMarkingUtilityFlatfold.class);
//public static final int Flat_Zone_X_Position = 14; // 0.1875 inches
public static final int Flat_OMR_Mark_Thickness = 1; // 0.01 inches
public static final int Flat_OMR_Mark_Length = 29; // 0.3 inches
public OMRMarkingUtilityFlatfold() {
super();
public static boolean isFlatZone1MarkingEnabled(int documentNumber,
int pageNumber) {
boolean flatZone1 = true;
// if (pageNumber % 2 != 0)
// trifoldZone4 = true;
return flatZone1;
public static boolean isFlatZone2MarkingEnabled(int documentNumber,
int pageNumber) {
boolean flatZone2 = true;
// if (pageNumber % 2 != 0)
// trifoldZone4 = true;
return flatZone2;
public static boolean isFlatZone3MarkingEnabled(int documentNumber,
int pageNumber) {
boolean flatZone3 = true;
// if (pageNumber % 2 != 0)
// trifoldZone4 = true;
return flatZone3;
public static boolean isFlatZone4MarkingEnabled(int documentNumber,
int pageNumber) {
boolean flatZone4 = true;
// if (pageNumber % 2 != 0)
// trifoldZone4 = true;
return flatZone4;
public static int getFlat_Zone_X_Position() {
return getFlat_Zone_X_Position();
public static int getFlat_Zone3YPosition() {
return getFlat_Zone3YPosition();
public static int getFlat_Zone4YPosition() {
return getFlat_Zone4YPosition();
public static void drawFlatOMRMark(PdfContentByte cb, int zone,
int pageNumber, int pageCount) {
float x;
float y;
System.out.println(pageNumber);
if (pageNumber == 1) {
x = 14;
} else {
x = 7;
switch (zone) {
case 1:
if (pageNumber == 1)
y = 689;
else {
y = 688;
break;
case 2:
y = 679;
break;
case 3:
x = 14;
y = 670;
break;
case 4:
if (pageNumber == 1)
y = 661;
else {
y = 660;
break;
default:
y = 0;
break;
cb.moveTo(x, y);
cb.lineTo(x + Flat_OMR_Mark_Length, y);
cb.stroke(); -
I replaced an image file embeded in a pdf file(larger than the original one) and fixed xref offset in startxref object, but i still get an error(somewhat like "Xml parse error"). what else should i pay attention to?
thanks!I am fixing a pdf file manually. it's sure that xref table cause the error, because if i expend the last object, the pdf file works OK. but it's hard for me to grasp the meaning of XREF described in <pdf_reference_1-7.pdf> or my pdf file is not the ordinally one.
the below pic is the decoded stream of xref table, would u please give me some tips on it?
XRef/W[1 3 1] -
Unable to open existing PDF files after downloading Adobe reader
I have an Advent 7085 PC with Windows XP Home version 2002 service pack 2. After downloading the latest Adobe Reader 8 I cannot open any of my existing PDF files, nor can I open any new ones. I have several times downloaded it, tried it and found it doesn't work so have then deleted it from the system and rebooted. Downloaded again only for the same thing to happen again. Error message says that Adobe Reader 8.1 has encountered a problem and needs to close. Then I am advised to let microsoft know of this problem.
Please!!! Is there anybody out there who knows what the problem might be and help me resolve it?
Thanks
IGI finally called tech support and this is what we did and it worked for me...First go to start/control panel/add&remove programs. Once the program list is configured, hilite Adobe reader and select remove. Once the program is removed, from the control panel select user accounts. Set up a new user account "test". Through user "test" go into www.adobe.com and select icon to download adobe reader. You do not need to run media player, remove check unless you want to download it. After program is downloaded and copied you can close out of adobe. At that point I was able to open my PDF files without any error message. Tech advised me to keep the "test" user set up, doesn't hurt anything to have it there. He told me that there probably was some settings under my user account that was causing a glitch in the download and that is why we opted to download through a new user account. BTW the tech support was free if you still can't get it to work. Good Luck
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