iTunes 12.1.1.4 won't launch on Windows 8.1 64 bit

Question

I have a Dell laptop running Windows 8.1 64 bit. I recently let iTunes update to 12.1.1.4. Ever since I updated, iTunes will not start. When I go to the Windows Application Log, I find the following error:Log Name:      ApplicationSource:        Application ErrorDate:          2/25/2015 10:07:50 AMEvent ID:      1000Task Category: (100)Level:         ErrorKeywords:      ClassicUser:          N/AComputer:      COMPUTER_NAMEDescription:Faulting application name: iTunes.exe, version: 12.1.1.4, time stamp: 0x54de1991Faulting module name: KERNELBASE.dll, version: 6.3.9600.17415, time stamp: 0x54505737Exception code: 0xc000041dFault offset: 0x0000000000008b9cFaulting process id: 0x9c0Faulting application start time: 0x01d051153175cf74Faulting application path: C:/Program Files/iTunes/iTunes.exeFaulting module path: C:/WINDOWS/system32/KERNELBASE.dllReport Id: 71bf9801-bd08-11e4-8315-c4d987f53cd1Faulting package full name: Faulting package-relative application ID: Event Xml:&lt;Event xmlns&#x3D;"http://schemas.microsoft.com/win/2004/08/events/event"&gt;  &lt;System&gt;    &lt;Provider Name&#x3D;"Application Error" /&gt;    &lt;EventID Qualifiers&#x3D;"0"&gt;1000&lt;/EventID&gt;    &lt;Level&gt;2&lt;/Level&gt;    &lt;Task&gt;100&lt;/Task&gt;    &lt;Keywords&gt;0x80000000000000&lt;/Keywords&gt;    &lt;TimeCreated SystemTime&#x3D;"2015-02-25T16:07:50.000000000Z" /&gt;    &lt;EventRecordID&gt;130544&lt;/EventRecordID&gt;    &lt;Channel&gt;Application&lt;/Channel&gt;    &lt;Computer&gt;COMPUTER_NAME&lt;/Computer&gt;    &lt;Security /&gt;  &lt;/System&gt;  &lt;EventData&gt;    &lt;Data&gt;iTunes.exe&lt;/Data&gt;    &lt;Data&gt;12.1.1.4&lt;/Data&gt;    &lt;Data&gt;54de1991&lt;/Data&gt;    &lt;Data&gt;KERNELBASE.dll&lt;/Data&gt;    &lt;Data&gt;6.3.9600.17415&lt;/Data&gt;    &lt;Data&gt;54505737&lt;/Data&gt;    &lt;Data&gt;c000041d&lt;/Data&gt;    &lt;Data&gt;0000000000008b9c&lt;/Data&gt;    &lt;Data&gt;9c0&lt;/Data&gt;    &lt;Data&gt;01d051153175cf74&lt;/Data&gt;    &lt;Data&gt;C:/Program Files/iTunes/iTunes.exe&lt;/Data&gt;    &lt;Data&gt;C:/WINDOWS/system32/KERNELBASE.dll&lt;/Data&gt;    &lt;Data&gt;71bf9801-bd08-11e4-8315-c4d987f53cd1&lt;/Data&gt;    &lt;Data&gt;    &lt;/Data&gt;    &lt;Data&gt;    &lt;/Data&gt;  &lt;/EventData&gt;&lt;/Event&gt;I have followed the directions for a complete removal and reinstallation of iTunes. Upon completion of the reinstallation the app will launch, but then after I reboot, the same error occurs. I have tried running in Windows 8 and Windows 7 compatibility mode, as well as Run As Administrator.What else should I do?

Jason L · Answer

Hello IAmPeeDub,Welcome to Apple Support Communities. The article below provides information and troubleshooting tips that may be able to help you resolve the iTunes lunch issue on your PC.iTunes for Windows Vista, Windows 7, or Windows 8: Fix unexpected quits or launch issues - Apple SupportCheers,-Jason

turingtest2 · Answer

If Jason&#x27;s post hasn&#x27;t helped then for general advice see Troubleshooting issues with iTunes for Windows updates.The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down the page in case one of them applies.The further information area has direct links to the current and recent builds in case you have problems downloading, need to revert to an older version or want to try theiTunes for Windows (64-bit - for older video cards) release as a workaround for performance issues or compatibility with third party software.Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.tt2