Pdf Problem – Can’t open .pdf files in Adobe Acrobat Reader?

Are you unable to open .pdf files in Adobe Acrobat Reader all of the sudden? You may receive the “Microsoft Visual C++ Runtime Library Runtime Error! Program: C:\Program Files (x86) AdobeReader This application has requested the Runtime to terminate in an unusual way. Please contact the application’s support team for more information.” error message when attempting to open Adobe Acrobat PDF files. If removing and reinstalling Adobe Acrobat Reader program does not solve the problem, then the following solutions just may work.

If you do attempt to remove and reinstall Adobe Acrobat Reader then perhaps using a PC optimization tool may help solve your problem. Sometimes cleaning up junk files and removing unnecessary Microsoft Windows registry entries can fix problems like an application that refuses to open. You may want to run cleaner and registry scans with my preferred PC optimization tool.

1. One of the easiest solutions is to go into the properties of the Adobe Acrobat Reader AcroRd32.exe executable by right clicking on the AcroRd32.exe executable and then selecting “Run this program in compatibility mode for: Windows XP (Service Pack 2)”. You may also have to perform this on the Adobe Acrobat Reader Acrobat.exe executable as well.

2. Another possible solution, if the previous one does not work is to try right clicking the executable(s) again only this time select “Run as Administrator”. Then proceed with the first set of instructions. You want to run Adobe Acrobat Reader AcroRd32.exe and Acrobat.exe executable with administrator credentials.

3. Finally, editing the following Microsoft Windows registry key will hopefully fix your error. To accomplish this you click the Microsoft Windows “Start” menu button and then select “Run”. Type in “Regedit” then click on “OK”.

Once in the Microsoft Windows registry editor, navigate to the following location:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders

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On the right hand side of the Microsoft Windows registry editor highlight “AppData”. Double click “AppData” to edit this file path. Change the file path from %USERPROFILE%Application Data to %USERPROFILE%AppData.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders

AppData
%USERPROFILE%Application Data
%USERPROFILE%AppData

Make certain that you are familiar with the Microsoft Windows registry, before making any changes. You can always back up the Microsoft Windows registry before making any changes. You want to open up Microsoft Windows registry.

Then select the key or sub key that you want to back up. Click on “File”. Select “Export”. Type the name of your backup file.

Now you select a location that you want to save this backup file. Finally, click on “Save”. You have successfully backed up this registry key or sub key.

Now you can make your changes via the instructions above. If you fuck anything up you can restore this back by clicking on “File. Now choose “Import” this time.

Browse to the file you just created. This file will have a .reg file name extension. Select this file.

Finally, click on “Open”. As a computer repair technician I never mess around in the Microsoft Windows registry unless absolutely necessary. Hopefully, you have fixed your problem where by Adobe Acrobat Reader would not open.

These instructions were written for a computer with Microsoft Windows XP operating system installed. However, they can certainly be used as a basis point for other Microsoft Windows operating systems.

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