iTunes Match Crashing at Step 3 (won't upload)

I've been using iTunes Match for quite some time now but the last few weeks, maybe longer, it crashes at step 3 where it tries to upload anything that wasn't automatically matched. There are only 2 songs that it tries to upload, but each time it crashes. This is the error report:

Problem signature:

Problem Event Name: APPCRASH

Application Name: iTunes.exe

Application Version: 10.6.1.7

Application Timestamp: 4f71aced

Fault Module Name: KERNELBASE.dll

Fault Module Version: 6.1.7601.17651

Fault Module Timestamp: 4e2111c0

Exception Code: 80000003

Exception Offset: 00033e2e

OS Version: 6.1.7601.2.1.0.256.1

Locale ID: 1033

Additional Information 1: 0a9e

Additional Information 2: 0a9e372d3b4ad19135b953a78882e789

Additional Information 3: 0a9e

Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

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