I installed the latest beta r235. Visual Studio shows the preview but no Ads are shown and this is in the error list:
(I added the WinJS folder and files from previous export)
'WWAHost.exe' (Script): Loaded 'Script Code (MSAppHost/3.0)'.
Exception was thrown at line 521, column 463 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x803f6107 - JavaScript runtime error: Unknown runtime error
Exception was thrown at line 308, column 461 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x800a03ea - JavaScript runtime error: Syntax error
Exception was thrown at line 376, column 244 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x800a03ea - JavaScript runtime error: Syntax error
The program '[9392] WWAHost.exe' has exited with code 1 (0x1).
after switching a few pages more errors appear:
'WWAHost.exe' (Script): Loaded 'Script Code (MSAppHost/3.0)'.
Exception was thrown at line 521, column 463 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x803f6107 - JavaScript runtime error: Unknown runtime error
Exception was thrown at line 308, column 461 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x800a03ea - JavaScript runtime error: Syntax error
Exception was thrown at line 376, column 244 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x800a03ea - JavaScript runtime error: Syntax error
Exception was thrown at line 376, column 244 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x800a03ea - JavaScript runtime error: Syntax error
Exception was thrown at line 308, column 461 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x800a03ea - JavaScript runtime error: Syntax error
Exception was thrown at line 376, column 244 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x800a03ea - JavaScript runtime error: Syntax error
Exception was thrown at line 376, column 244 in ms-appx://f3a2bba5-98c8-40eb-aacc-3e2afc45c187/c2runtime.js
0x800a03ea - JavaScript runtime error: Syntax error