Password debug error 1004

Hi All,
Please Please!!

Can someone help me with my coding and errors on my excel workbook.
I have tried the last three days to fix the problem.
There are hide and unhide coding with a check box in some of the sheets, that hides and unhide columns when the sheet is protected. Then also code to enable the use of outlines (+) when the sheet is protected.
In the first sheet I have an auto filter that I enable when I protect the sheet with my password.
The problem I think is when I close the sheet and reopen it, it protects everything on its own and changes my protection setting ex: I can’t use the auto filter and also you can select the protected cells that I checked to disable when protecting my sheets.
The errors I get are runtime errors, debug 1004.
I know this may be a lot to ask, but would appreciate the help.
Thanks in Advance!!

Please find uploading.com link for my file.http://uploading.com/files/45c23e75/...Projects.xlsm/

Hi Mordred, Thanks for willing to help.

Sorry, but the file is to big for me to post on this forum. (10meg)

Will appreciate the help!!

Please guys help with the ploblem, still can figure out what im doing wrong??

The 2 macros are as followed.

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http://uploading.com/files/e53feb16/...BProjects.zip/

Hi,Roy

I have ziped the file, its now 2.4 meg, but I think still to big for the forum??

Hi, Sorry I was out, no I stil get the same error message, maybe it is a different problem. Please can you look at the file I uploaded.

Thanks.