When starting up my htc hd2 cellphone i cant open settings, or any applicaions... and this message pops out... " cannot open 'htcsettingentry' a critical component is either missing or cannot start bacause program memory is unavailable. tap start, settings, system tab, task manager. " how can i do thid instrudion if i cant enter settings? what should i do?

SOURCE: "Memory is full. Please delete some messages."

Initially go to Internet explorer
select menu
select tools
select options
choose the memory tab
delete all cookies and temp files

If there are more messages in send items delete that too.
Hope this helps you

SOURCE: How to decrypt .menc files on HTC HD2

I have the same issue and it sucks!

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• 282 Answers
• Posted on Oct 29, 2010

SOURCE: my htc hd2 wont start up keeps turning itself off

http://www.hardreset.eu/htc_touch_hd_hard_reset_soft_reset_en.html

try to perform a hard reset and see if that will fix your problem. But before you do ill have tell you will lose all your information on that phone once its hard reset.

Hope this will help you...thanks

SOURCE: HTC HD2 not "booting up" I have an HTC HD2

take it to your service provider they will fix your problem on the spot usually or order you a new one free of charge. -Derek

SOURCE: M HTC surround phone wont

try taking out the battery waiting an hour and then put it back in... Cell phones are like mini-computers and will crash once in awhile