Check to see if there are any errors in the windows event logs specifically referencing the MSVCR120_clr0400.dll file that coincide with the Estimating Report Manager (ERM) crash.
If the ERM crash does show it is crashing on this specific file have the IT person re-install the (x86) and x64 version of the Microsoft Visual Studio 2012 C++.

Resolution for '120clr0400.dll file issue: 'Timberline Estimating Report Manager crashes on all reports' available: Yes.

The 120clr0400.dll file issue or error code is a known related to Sage Accounting products. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the 120clr0400.dll file issue yourself by looking for a resolution described in the article. If it is a complex 120clr0400.dll file issue or you are unable to solve the issue, you may contact Sage Repair by clicking here or by using other 120clr0400.dll file support options.

For more information about resolving issues related to 120clr0400.dll file in Sage Accounting or to get support for the issue 'Timberline Estimating Report Manager crashes on all reports', click the link below: