If you are surfing the internet for a long time and visiting websites with flash, animation or activeX, you may get the message titled - Iexplorer.exe application error or CiceroUiwndFrame error. This occurs whenever you are trying to close down Internet explorer, you get that message error which reads:
Instruction at the 0x5xccccdd referenced memory the 0x000b001c memory could not be read.
These error messages are usually displayed when you are connected to the internet for a longer time - about 2-3 hours. Internet surfing also becomes very slow before this message is displayed . Some users have also reported that internet explorer hangs.
How to fix it
For CiceroUiwndFrame error which is due to a problem in CiceroUiwndFrame, the speed and handwriting recognition part of Office XP. To uninstall it
1. Go to Control panel ----> add and remove programs
2. Select Microsoft Office XP Professional with FrontPage and click on "change" option
3. Select Office shared features ---> Alternative user input --->Speech and Handwriting Recognition . Deselect both the options
For Iexplorer.exe application error, the error may be due to faulty Add-ons
1. In the Internet Explorer menu, go to "Tools->Manage Add-ons"
2. You will get a list of all the add-ons loaded for Internet Explorer. Add-on software where no publisher is specified could be spyware.
3. Select each add-on and disable it. If any particular add-on is essential, you may keep it enabled and check the problem persists. If there is no problem, you can continue with the add-on, else you may have to remove all add-ons.