Error Code 0x00000001, or otherwise known as the APC_INDEX_MISMATCH error code, is usually caused when a file system mismatch occurs. This can happen from newly installed software, from an inserted CD or DVD drive or from online. The error can start when the new software is run – if the error code appears and the software is still kept running, the system could become corrupted or damaged.
Common symptoms include:
Usually, the main cause for this error relates to installed software or hardware that is not designed for the operating system that is being affected. The fixes available will require the owner to determine what software or hardware has been installed to cause the issue and then remove the offending hardware/software and install a compatible alternative.
Recommended: Download the Automatic Repair Utility to correct this and other PC performance issues.
Typically, Error Code 0x00000001 will occur when a user installs software or hardware not designed for their operating system. For example, a user could install a program designed for Windows 10 on their Windows Vista PC and the issue will appear.
If you would like to fix Error Code 0x00000001 manually, the first step is to immediately stop the software or newly installed hardware from running on your PC. If it’s new software, close it down immediately.
If it’s new hardware, such as a webcam or mouse, physically remove it from your PC. By doing this you’ll ensure that your operating doesn’t become damaged.
Once you have removed the offending software/hardware you can use the top methods for addressing Error Code 0x00000001 below:
Method One: Reinstall the Correct Software
If you installed new software and the 0x00000001 Error Code appeared, you will need to uninstall it by searching for the add/remove programs feature in the Start Menu. Once you have installed it you can find the OS and 32 or 64-bit version of the software for your operating system. If you’re unsure, just install the 32-bit version for your OS.
If you can’t find the software for your version of Windows, it means that the software in question is incompatible with your operating system. You’ll either need to upgrade your operating system or find an alternative software that is suitable.
Method Two: Remove the Hardware and Find a Replacement
If the issue is related to hardware, you’ll need to remove the hardware and do some research to find out whether it is compatible with your operating system version or not. You may refer to the hardware manual or use Google to find more information about it.
If the hardware isn’t compatible with your OS, you’ll need to find hardware that is compatible. If it is, make sure that you find the right drivers or software for your version of Windows on the internet.
Method Three: Switch Out your CD/DVD Drive and Reseat Memory
If you’ve found that Error Code 0x00000001 appears after using your CD/DVD drive, you’ll need to follow Method Three. For this method, you’ll need to switch off your computer completely, unplug it from the wall and open the PC case. On the inside, you’ll need to remove the CD/DVD drive and replace it with a new one. The drive will be connected with one larger power SATA cable and smaller data SATA cable. When you insert the new CD/DVD drive, you’ll need to re-insert both of these cables into the back of the new hardware.
On the inside, you’ll need to remove the CD/DVD drive and replace it with a new one. The drive will be connected with one larger power SATA cable and smaller data SATA cable. When you insert the new CD/DVD drive, you’ll need to re-insert both of these cables into the back of the new hardware.
Next, remove the two memory sticks that are attached to your motherboard and then re-insert them, making sure that they both click in place properly.
Method Four: Use An Automated Tool
Resolving error codes like Error 0x00000001 can be hard. If you would rather have a tool at your disposal that can resolve errors such as this one for you, you may be interested in downloading a powerful, automated tool here.
How to Fix Windows 10 Error Code 0x800703e3
How to Fix Windows 10 Error Code 0x80240016
(dsl/cable: 3sec; dialup: 2min)
Click the “Scan” button
Once the scan completes, click “Fix All” to repair errors