We recommend! 
Following is a 100% safe and free method to hide a file or folder from others in your system:
1. Hide the file or folder which you want to hide from its "Properties".
2. Disable option "Show Hidden files/folders" from "Tools -> Folder Options".
Now you'll say anyone can enable the option again? OK.
3. Disable "Folder Options" from Registry Editor. Look for Point 3:
All Kind of Restrictions for Windows 2000, XP, 2003. Vista and 7
So what anyone who knows regedit can enable Folder Options again from it. Then? hmmmm.
4. Simple. Disable Registry Editor. Point 13:
All Kind of Restrictions for Windows 2000, XP, 2003 and Vista
Now you are almost safe but not fully coz "regedit" can be enabled again using "gpedit.msc". Goto:
User Configuration -> Administrative Templates -> System
In right-side pane, set “Prevent access to Registry editing tools” to either Not Configured or Disabled.
So last step:
5. Rename gpedit.msc to some other name like "AskVG.msc" and then hide it.
So whenever someone will try to run "gpedit.msc", he'll get error message "file not found" but you can always run it using "AskVG.msc".
I always use this method to hide my private files/folders and it works for me.
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Ronak Agrawal said:
Cool
VG said:
Thanks.
Siva said:
Dear Sir,
Why you are going so much complicated... just rename the folder name as "xxx..{21EC2020-3AEA-1069-A2DD-08002B30309D}"(without Quotes) and change the attributes as (cmd command) attrib +h +s "path"..... Thats all....
VG said:
^^ Because your method doesnt work in Vista and only applicable to folders not files.
siva said:
Ok.... I did not worked with the Vista....
siva said:
Sir,
I want to give the "Access Dined" to particular folder. Is that possible? Any registry key is there for it?
VG said:
^^ For it, your file system should be NTFS and then you can assign permissions for any file/folder/drive.
Siva said:
For NTFS we have 'cacls' command for it("I think").... For FAT32 we donot have direct command like that. Is that no way give in the fat32? If any way to possible
give in the fat32 pls tell me..... Thx in advance 
priyank said:
vishal sir, i m in a big problem... i cant enable the "show hidden files" from the regedit...also i have another problem... the file called :autorun.inf" exists in all my local hard drives... i m using a paid antivirus software and my computer is virus free...but still the "autorun.inf" file doesnt let me access my hard drives. when i try accessing them, a new window pops up showing me an "Open with" kind of option... and since autorun is a hidden file i first need to fix the problem of my hidden files first...then i can delete the autorun file....this is wat a friend of mine told me.... can u plz help me.... plz plz....
VG said:
^^ Look into "Frequently Asked Problem s With Solutions" topic in "Troubleshooting" section. I have mentioned its solutions there.