Sync error AND can't uninstall AND can't download new iTunes

So last week I tried to add some stuff to my iPod because I hadn't in a while. When I connected it to the computer and opened iTunes, I got an error message about the sync-up.
I got on the 'net to download an iTunes update (10.7 at the time, I believe) to see if that would help.  After trying five times, I gave up.  Nothing happens when I hit "Download Now." I'm confident it has nothing to do with pop-up blockers or security settings.  I double-checked them just to be sure.  And it's not like I haven't downloaded other stuff recently.
OK, so I try uninstalling iTunes to see if that helps.  Nope; can't do that either.  I get a message basically saying I'm not allowed.
I've been about four hours on this problem by now, including scouring online message boards for an explanation.  Unfortunately, it seems I'm the only one having all of these problems at once.  I'm not sure if this is just iTunes being dumb or if this is part of a larger computer problem I'm having.
Any help would be appreciated.

Many thanks. If that's a 64-bit system, try the following user tip:
"The Windows Installer Service could not be accessed" error messages when installing iTunes for Windows on 64-bit systems

Similar Messages

Maybe you are looking for

  • Change Turkish Characters in IE address bar

    I want to link a document in our local area network like this: http://testsite/a�.doc IE can not open this link because it has a turkish character. when I change it to http://testsite/as.doc it is ok. But I can`t change all of the docs. There are a l

  • Burned CD's won't play back

    Hi All - Burned several CD's in my on board superdrive on my G5. They play back in my computer, but not in my home stereo and not in my car? Why could this be. Apple care says probably because my stereo cd player is old.... but that and my car that's

  • Modify View with Cairgorm

    Hi all, I would like to share with you my concern. I'm using Cairgorm and based on user gestures i need to update the 'visible' and 'enabled' property of some ui controls. My question is: Which is the better way to do that? I mean, i should do that i

  • Po unit price change

    hai I created  PO: 450000988 unit price are all wrong.  But I have done MIRO in SAP already and have a document  7160000610.After processing invoice and GR . is it possible to change the unit price in PO? Now my question is how to reverse this wrong

  • Specific Photo Question

    Is there any way to get my photos to appear in a certain order when i sync them to my iPod Touch?