Description of problem:
An attempt to do so brings up the "Loading..." progress indicator with glass panel overlay which never disappears. There is no option but to refresh the browser window to continue working with business central.

Version-Release number of selected component (if applicable):
6.2.0.ER2

Steps to Reproduce:
1. Open Administration perspective.
2. Navigate through projects until you find .gitignore or .lastmodified file.
3. Click on that file.

Actual results:
"Loading..." progress indicator never disappears, business central is blocked.

Expected results:
The operation completes (file opens, error message displayed for unsupported filet types, ...) and user may continue working with business central.

Additional info:
The leading dot in file name may be the source of the problem.