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Most IE Add-ons disabled/unavailable and enable buttons greyed out
I have tried a few things mentioned in this forum and elsewhere to fix this problem as listed below. Running Win 7 Professional N, 64 bit, SP1, with all important updates installed.
IE11 (and now back at IE10) started telling me it needed flash (which was already installed). Repeated installs from Adobe site and still unable to show flash videos. Then noticed "Send to OneNote" option disappeared from command menu. Add-on manager showed "Send to OneNote" unavailable and nearly every other add-on disabled including all the Microsoft "Run without permission" ones like Silverlight, XML, etc. All had their Enable/Disable buttons greyed out. I uninstalled IE11 and reinstalled, I uninstalled back to IE10, I repaired Office 2010 Pro, used malwarebytes, Spybot, CCleaner and MS Safety Scanner. So far, nothing gained. "Enable third party browser extensions" is checked under Internet Options.
Strangely, I have the same problem on my laptop running IE 11, Win7 Professional, SP1, 32 bit.
Thinking back, I ran CCleaner when I first had the flash problems and maybe something was changed in the registry, but looking at the .reg backup files, I cannot see anything relevant.
Firefox and Flash working fine, but I need IE for some things. If anyone can shed any light on this, I would appreciate it.
John