Blank page after a long run how it

Customers that out of the question, I have not appeared in this

address bar address has changed, seemingly pointing to a local path like file: c \ ...

then refresh the display can not be returned to the current page , what happens is that the customer is provided with questions?
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did not understand what the problem is you say ......
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browser cache problem , you can set the time to take a new page .
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not know what to ask
problem is not the path
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Thank you , this is indeed a possibility, there is no other possible way ? This may be set off
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no , B / S system , has been no action , just testing uptime Well,

After a day of running is probably pointing to the page does not know what position , into a blank page and no error java background

do not understand how it
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no , B / S system , has been no action , just testing uptime Well,

After a day of running is probably pointing to the page does not know what position , into a blank page and no error java background

do not understand how it
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is a memory leak problem