iTunes keeps crashing (Ver.12, Win 8.1)

After opening iTunes I immediately get the Windows message "iTunes has stopped working" and it crashes out.

Running latest update 12.5.1.21 on Windows 8.1 Pro (64bit)

Started a couple of weeks ago previously, iTunes worked but accessing the Store caused the crash

Working fine a couple of months ago

Opens in Safe Mode (until trying to access any online info)

Have tried uninstalling and reinstalling

Any suggestions welcome

Thanks in advance


Event viewer error information:
Faulting application name: iTunes.exe, version: 12.5.1.21, time stamp: 0x57d32fa7
Faulting module name: WebKit.dll, version: 7602.1050.4.5, time stamp: 0x57c12000
Exception code: 0xc0000005
Fault offset: 0x0000000000645e36
Faulting process id: 0x30c4
Faulting application start time: 0x01d22c7cfba9f253
Faulting application path: C:\Program Files\iTunes\iTunes.exe
Faulting module path: C:\Program Files\Common Files\Apple\Apple Application Support\WebKit.dll
Report Id: 3e701b22-9870-11e6-bfdd-5c514f2ad47d
Faulting package full name:
Faulting package-relative application ID:

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