Adobe Acrobat/Reader cannot be used to view PDF files in a web browser

I am getting the attached error when trying to view a PDF on internet explorer 8.  My computer is a Sony Vaio running windows vista.

Thank you in advance.
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Karl Heinz KremerConnect With a Mentor Commented:
The error message clearly states that you need version 8 or 9. Which version are you using? If it is not 8 or 9, you need to install the lastest version. If you already have 8 or 9 take a look at this page:
It contains Adobe's troubleshooting instructions for that error message.
Uninstall Adobe Acrobat Reader and download & install Foxit PDF Reader @:

This is a much faster and lighter reader.  It is all around better and should solve your issue.
gopalpatelAuthor Commented:
Thank you for that but rather than using another there any way we can fix the adobe issue?

Many thanks
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victorjones1Connect With a Mentor Commented:
What version of Acrobat Reader are you using?  Open the program and click Help, then About Adobe Reader to show the version number.  

It looks like you just need to upgrade to a newer version of the program.  If you are up to date then uninstall the program and download & install the newest version from
If you install Foxit PDF Reader i really suggest to avoid the installation of the ASK toolbar for IE
You are running Vista so I assume that you are running at least Adobe Reader 8, if not Adobe Reader 9. Unless you went out of your way to find the Adobe archives section. Here is a knowlege base article from Adobe's site on how to troubleshoot that error message.
Karl Heinz KremerCommented:
techzter, why did you feel the need to re-post the same link that I posted earlier today?
khkremer why do you question my methods? ;) lol

Sorry about that khkremer. I guess I haven't had enough coffee this morning and I didn't read your post carefully enough. I tuned out after you began to question whether he was running an earlier version of adobe than version 8. Acrobat versions prior to version 8 are not Windows Vista compatible so I knew it must be something else causing the issue. I assumed the rest of your paragraph was going to follow that stream of thought. Again, my apologies. I am not trying to steal your suggestions. Thank you for pointing my error out.

Gopalpatel please make sure to award me no points for posting the link.
Karl Heinz KremerCommented:
I'm not questioning your methods, I was just looking for an explanation :)
I know that Vista requires at least Acrobat 8 (I think it's actually 8.1 if my memory is not playing tricks on me), but you never know what somebody has installed. From my many years on EE I learned one thing: Never assume anything.  
Good point khkremer. I can certainly think of a few posts here on EE where we went through pages of posts just to come back to the simple answers in the end such as not having the software installed, or hardware that wasn't plugged in properly. You never know I suppose. You could be working with the user that had been so determined to install the adobe version they had on the last machine they found a way to tweak it by Vista's install.
Open Regedit,
Start > Run > Regedit.exe

Browse to

HK_Classes_Root \ Software \ Adobe \ Acrobat \ Exe

 You will need to create this Key if it does not exist, by Right-Clicking on Software, going to New > Key and naming it Adobe, continue for Adobe, Acrobat, and Exe so it looks like...

Under Exe Change
 (Default) to "C:\Program Files\Adobe\Acrobat 9.0\Reader\AcroRd32.exe" (include the Quote marks)

IF (Default) does not exist create it by right-Clicking in the Right Pane and Selecting
 New > String Value

Then Name it "(Default)" (no quotes this time, but include the ()"

Make the "Value Data" the string above...
"C:\Program Files\Adobe\Acrobat 9.0\Reader\AcroRd32.exe" (include the Quote marks)
Please change "C:\Program Files\Adobe\Acrobat 9.0\Reader\AcroRd32.exe" to

"C:\Program Files\Adobe\Reader 9.0\Reader\AcroRd32.exe" or
"C:\Program Files\Adobe\Reader 8.0\Reader\AcroRd32.exe" for Reader version 8.0

My apologies for the incorrect string info.
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