Then when I restart it says

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033


Additional information about the problem:
BCCode: d1
BCP1: 0000000000000044
BCP2: 0000000000000002
BCP3: 0000000000000000
BCP4: FFFFF880042D88C1
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1


Files that help describe the problem:
C:\Windows\Minidump\062115-42432-01.dmp
C:\Users\ME\AppData\Local\Temp\WER-81245-0.sysdata.xml


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I been getting that for weeks every hour or so then cleaned my P.C. and now it happens about 1-2 times a day.