Ok

Turned on PHP Debug.

See error on line 89 /admin/index.php

Undefined class name 'tinydtextsanitizer'
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Quick check of tinycontent0 /admin/index.php on line 89


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Now opened new tinycontent1 (just downloaded here today same version i already have installed, so strange error. Something changed somewhere?

Opened /admin/index.php looked at line 89 found this


Changed new tinycontent1 admin/index.php line 89 to:


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No more blanks screen works as expected solve my own problem.