I see Blank page only

1. Check your php. Minimum php5.6

2. Try to switch off twitter module

3. Switched off  AcyMailing Editor

4. Check the minimal server requirements http://docs.virtuemart.net/documentation/User_Man...

5. Check you php.ini Minimal settings:

memory_limit = 128M
max_execution_time = 300
max_input_time = 360

6. Check php DOM-extentions. It must be turned on

7. Switch off  Virtuemart 2 multiple customfield plugin