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Explorer 9, or just IE9, is the current version of Microsoft's internet browser. I'll show you how to uninstall IE9, if possible.
I downloaded Internet Explorer 9 (IE9) released by Microsoft Corp. My OS is Windows 7 Professional. I was encountering problems, such as my computer slowing down, not being able to access Gmail, etc. I tried to uninstall IE9, but I am getting the message, 'An error occurred. Not all of the updates were successfully uninstalled.' What does that mean? Kindly guide me on how the IE 9 be uninstalled.
It might be possible to uninstall IE9. Unfortunately, there are also a few things that might cause it to be not possible.
Personally, I recommend that you stick with IE9 unless it's causing you serious system instability; even then, uninstalling it still might not be the right thing to do.
Let's cover both how to uninstall it (if you can) and what I recommend doing instead.
First, be aware that Internet Explorer cannot be completely uninstalled. Various components of IE are used and required by other applications as well as Windows itself.
When we talk about uninstalling IE9, what we're really doing is attempting to revert to the previous version, IE8.
Start in Control Panel, Programs, Uninstall a program. In the resulting dialog:
Click the View installed updates link.
The resulting list may take several seconds to fill up; make sure to wait until it's done changing.
Scroll down in the list and locate the "Windows Internet Explorer 9" entry. If that entry does not exist, you cannot uninstall IE9.
If it does, right-click the entry and click Uninstall.
Naturally, you'll need to confirm the uninstall.
And, of course, Windows needs to reboot.
After rebooting, run Internet Explorer and you'll find:
Internet Explorer 8 displays its first-time welcome screen.
There are some situations where uninstalling IE9 is not available:
Your machine came with IE9 pre-installed.
The IE8 backup files were not kept or were subsequently deleted when IE9 was installed.
A service pack was applied after IE9 was installed.
In the later case, you may be able to uninstall the service pack, uninstall IE9, reinstall the service pack, and then reinstall subsequent updates. (I really don't recommend this path.)
In the other cases, the only solution that I'm aware of is to reformat and reinstall Windows.
I strongly advise against reverting unless IE9 is causing you truly serious issues. I say this for a couple of reasons.
Internet Explorer is clearly on the path to continue being updated in the future. Eventually, older versions, even IE8, will no longer be supported; you may be left vulnerable to security and other issues. Staying with IE9 now keeps you safer for longer.
Uninstalling is not without risks. It's not uncommon for the system to be less stable after having removed an update as large as IE9.
If it's simply a matter of taste or unfamiliarity with IE9, I strongly suggest that you take the time to get used to it. I know many people believe Microsoft changes things just for the fun of it, but that's simply not the case. Quite often, there's a very strong, well-thought-out and researched reason for making changes in utilities as widespread as Internet Explorer.
On the other hand, consider moving forward with a different browser rather than trying to move backwards with IE8. Firefox, Chrome, and Opera are all very robust, proven browsers that you may like better or that may behave more properly on your system.
I honestly believe that uninstalling IE9 in favor of IE8 should really be viewed as a last resort.
(This is an update to an article originally published September 25, 2010.)
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