Windows error code 7 is a typical, cryptic registry error. These types of errors can occur any time your computer is being used. Despite the foreboding words of the error message, there are some simple ways to get this error fixed.
The most common cause of error code 7 is a registry problem. It is logical to start with running a registry repair utility. If your computer came with a security and systems maintenance suite, you should attempt to use these tools by following the vendor's instructions. These utilities will vary in the exact steps that you need to take to resolve error code 7, but they all perform the same basic function – locating and resolving problems within your computer's registry.
If your computer is still under warranty, refer to the documentation that you have and call for support if you do not feel comfortable running the registry program or if you do not have a registry repair program. It is good to get the manufacturer's recommended steps to get your registry problems fixed. Any time you have to work on your computer's registry, there is a possibility of causing severe system problems. Be sure that you know what you are doing or get a computer technician to guide you.
If the error code happens only when you attempt to use a certain piece of hardware, the device driver may be corrupt or need updating. Go to Device Manager and double click on the device that is causing the error message. Click on Update Driver and follow the prompts. If this does not work, go to the website of the hardware manufacturer and look for the newest driver or patch to resolve the error. Install the updated driver using Device Manager and restart your computer.
TipFor more information, please see: How to fix System error #7