C:\WINDOWS\System32\KERNELBASE.dll ----- WINDOWS crashed
A quick search on Google for "Unmanaged Exception (0xe0434352)" led to:
Unknown software exception (0xe0434352) is an error that is related to . NET installation. The majority of the reasons for this error is having a faulty . NET Framework, another reason is because of some corrupted files or old drivers that are contradicting with Windows.