Illegal or Invalid | Computer Problem

Illegal or Invalid

Causes

 
Operations can be caused by several different factors. Below is a listing of the more commonly known reasons for getting an Illegal Operations.

    TSR's or Third-party programs causing memory conflicts or other conflicts with the program or programs attempting to be run.
    Data not being read properly from source. Running a program or game with a dirty CD can cause the CD to be read improperly causing Illegal Operations. Floppy diskettes, which may contain errors can cause illegal operations.
    Installing a program or game on a hard drive that has errors or is highly fragmented.
    Corrupt files.
    Memory managers.
    Bad, incorrect or not the latest video drivers.
    Computer Virus.
    Added hardware
    Error in program coding
    Corruption or problem within Windows.
    Bad Memory, invalid bits or physically bad memory.

Solution

It is possible that bad memory can cause Illegal Operations. If you have recently added memory to the computer, it is recommended that it first be removed to verify that you are not experiencing conflicts with the recently installed memory.

If no memory has been recently added to the computer and you have tried all the above recommendations test your computer memory.

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