APPCRASH, Explorer.exe Repeated error on start-up

I get the following errors on start-up:

Windows explorer has stopped working

Problem signature:
Problem Event Name: APPCRASH
Application Name: Explorer.EXE
Application Version: 6.1.7601.17567
Application Timestamp: 4d672ee4
Fault Module Name: ole32.dll
Fault Module Version: 6.1.7601.17514
Fault Module Timestamp: 4ce7c92c
Exception Code: c0000005
Exception Offset: 0000000000170297
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057
Additional Information 1: daf5
Additional Information 2: daf5c54337f3e3287e53f3592819ed66
Additional Information 3: 9abb
Additional Information 4: 9abb2f76d4d09b04ff1bb4ca3f29ce1d

And also:

COM Surrogate has stopped working

Problem signature:
Problem Event Name: APPCRASH
Application Name: DllHost.exe
Application Version: 6.1.7600.16385
Application Timestamp: 4a5bca54
Fault Module Name: ole32.dll
Fault Module Version: 6.1.7601.17514
Fault Module Timestamp: 4ce7c92c
Exception Code: c0000005
Exception Offset: 0000000000170297
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 2057
Additional Information 1: 33c0
Additional Information 2: 33c0ed54d359f7b78723b065466758a5
Additional Information 3: cf10
Additional Information 4: cf10b4262ca3234535c9dff75a2caac6

Everything but windows explorer appears to work.
Thanks for your time if you read this.