The file office cr2 client.exe is a legitimate component of (version 2, hence "cr2"). Click-to-Run is Microsoft’s modern streaming and virtualization technology. Instead of installing Office the old-fashioned way (with huge MSI files), Click-to-Run streams only the parts of Office you need, when you need them. It also handles automatic updates.
Detailed explanations of DLL-related system errors can be found on , which lists common runtime causes. Instructions for running the are available for fixing underlying OS corruption. Expert Discussions Microsoft Q&A office cr2 client.exe error