Guide. An iron test checks the amount of iron in the blood to see how well iron is metabolized in the body. Iron (Fe) is a mineral needed for hemoglobin, the protein in red blood cells that carries oxygen. Iron is also needed for energy, good muscle and organ function.
The following errors are the most common symptoms of faulty (or failing) computer memory modules: 1  Computer memory errors. 2  These include system computer memory errors, or blue screen system crashes that reference memory read/write, parity, interrupt, address, page faults, general protection faults or mismatch errors.
I'm getting a Virtual Memory is Low error message. First off, understand that virtual memory is a part of the computer's hard drive that is set aside and used like RAM by the operating system. When the physical RAM is all used up, the operating system begins to use the virtual memory.hen the virtual memory is nearly all used up, the Virtual Memory is Low warning message will pop up. If you have multiple programs open at the same time and they are using up the majority of your RAM and virtual memory, this can cause the warning message to pop up.