Cleaning up these temporary files with Disk Cleanup might not only solve your cdrdicom.exe error, but can also dramatically speed up the performance of your PC.
If this junk isn't occasionally cleaned out, it can cause CDR DICOM for Windows to respond slowly or provides an cdrdicom.exe error, possibly due to file conflicts or an overloaded hard drive. Over time, your computer accumulates junk files from normal web surfing and computer use.