This is one of the visual basic projects I made. A computer lock (password protection) When you lock your pc (with password) it will disable all keys that can stop the program (ctrl alt del, ctrl alt esc alt tab...) That makes the program hacker-proof. It's actually as safe as the Windows Logon. If you have an idea for a new program, make a comment :). screenies: design: i35.tinypic.com source: i38.tinypic.com Available at my website (register a free account and you'll have access to all my programs and to download them: www.navigator256.tk, alternate link www.navigator256.webs.com ! Don't forget to donate!
aboutcomputer99.blogspot.com Computer Lock: Another VB Project by Navigator256
But tens of thousands of Americans may still lose their Internet service Monday unless they do a quick check of their computers for malware that could have taken over their machines more than a year ago. Despite repeated alerts, the number of computers ... Long-festering malware could lock out computers Monday, experts warn
Computer locks up frequently? You may have experienced your computer locking up when you try to open IE, Firefox, My Computer or when you are playing games or working. The mouse cannot move, programs and My Computer are not responding, the keyboard won't type. That is a pain in the neck!
Why does a computer lock up/ freeze up? How can I Fix it? If you want to fix it, you will need to find out the causes of it.
I researched for a long time and finally find out the problem. It mainly results from registry errors. Registry is the most important and fragile part in a Windows system. It contains the most important settings and information of Windows. All the device drivers, system programs and software depend on it. Now let me tell you how a program works with a registry.
When you start a program or software, Windows will need to load the data (settings and information of the program) from the registry. The data will tell Windows how to run this program an d provide some information when the program is running. Then the program can run successfully. But if the data is invalid, missing or incorrect, the program or software will not be run properly and causes the computer to lock up / freeze up. That is why when you try to start a program or are running a program, your computer suddenly locks up!
To fix computer locking up problems, you need to repair and correct the invalid, missing or incorrect data in the registry. You can use some repair tool to fix it. And don't try to tweak any registry keys or values it in the Registry Editor by yourself. That is very dangerous. A friend of mine tried to do so, and his computer crashed down.
Suggest Computer Locks Up? - Fix Computer Locking Up Problems in Minutes! ArticlesQuestion by Bret: What is causing my computer to lock up? Only for exprerienced PC repair people: My computer locks up and the screen goes blank 5 minutes after booting EVERY time. Here's what it's not: 1) I know it is not RAM. I have singled out every stick and ran extensive memory tests. No change in results. 2) It is not software or hard drive. I have booted to a linux bootable CD (hard drive unplugged) and it still locked up 5 minutes after boot. 3) It is not the video card. I have swapped video cards to find the same result. All fans are running fine; I do not believe it is a heat issue. I do not have another power supply with me, but would that cause the computer to lock up at the exact same time every time? Processor and Motherboard are fairly new - all POST tests look fine with them. I'm running out of parts to swap. Has anyone seen anything exactly like this? Any help would be greatly appreciated. Thanks in advance! I reset the CMOS battery - no luck. I still don't have another power supply to test this with - I will hopefully get one soon. I did not see any leaking capacitors on the board. Interesting note: If I go to the BIOS setup and leave it there, the computer never locks up. I guess that means that the fault is somewhere after the POST test? Best answer for What is causing my computer to lock up?:
Answer by liquid_chaos
try resetting your CMOS battery. if you dont know where that is or how to do it, you can look at the motherboard manufacturers handbook thing
Answer by decker
This article might help it covers your problem: http://www.gamegiants.net/article_info.php?articles_id=2
Answer by Karz
Try the bare minimum setup. NO HDD, FDD, ODD and just integrated graphics if possible. This set up should POST and be able to open BIOS menu. Load fail safe defaults, save and exit. If if does not lock up in BIOS menu after 15 to 30 minutes, the problem is software or hardware (the devices you removed) related. Try reinstalling HDD first. If it locks again after 5 mins., it could be HDD or OS. If Win XP, try repairing with this: http://www.informationweek.com/shared/printableArticle.jhtml?articleID=189400897 If the bare minimum set up freezes in BIOS menu, BIOS could be messed up or mobo is defective. But before you junk your mobo, try running it unscrewed from the case. The heat buildup on the PCB after 5 mins. might be causing it to flex a bit. Part of the circuit may be contacting the case and sending an error message.
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