In order to fix the issue, navigate to Start > Control Panel > Add or Remove Programs / Uninstall a program, select .Net Framework 2.0 from the list and click the Change / Repair button. Follow the on-screen instructions and reboot your computer after the process is complete. Alternatively, you can download a new fresh copy of .Net Framework 2.0 from the official web page.
If this doesn't help, download and install Crystal Reports® RunTime for Microsoft® .NET Framework. Click the green Download button, save the file to your computer and install it following the on-screen instructions. The package contains the CRRedist2005_x86 file that causes your problems.