The MAC Error Code -158 cParmErr invalid parameter is one of those errors that come under the category of Color Quickdraw and Color Manager Errors on your Mac OS based computer. Generally, this kind of Mac error occurs when your computer is infected with virus or has damaged registry entries. If your computer is also infected with MAC Error -158 cParmErr then you should follow the Manual Steps to Fix MAC Error Code -158 cParmErr invalid parameter.
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Symptoms of MAC Error Code -158 cParmErr
A) First of all you will get an error message that states about invalid parameter.
B) Processing speed of your system will be slow down.
C) Some important applications will be unable to run properly.
Causes of MAC Error Code -158 cParmErr
A) There would be some damaged registry entries on your system.
B) There would be some missing or corrupted file system in system directory.
C) There would be some harmful virus including malware or spyware programs.
D) There would be some damaged and corrupted Hard Disk.
Manual Steps to Fix MAC Error Code -158 cParmErr Invalid parameter
A) First of all, just have backup of all important programs and applications in safe place.
B) Now delete all damaged or wrong registry entries from registry editors of your Mac OS computer.
C) Then go to the system directory and delete all corrupted or missing file system on your Mac OS based computer.
D) Now run a scanner on your system by using some reliable antivirus applications and after scanning remove all harmful virus including other malicious malware or spyware programs on your Mac OS computer.
E) You should also replace or repair the damaged or corrupted Hard Disk of your Mac OS computer.
Now restart your computer in Normal Mode. You may also use the third party tool MacKeeper to Fix MAC Error Code -158 cParmErr invalid parameter. It will repair your file system or scanning and removing all malicious virus, malware or spyware programs automatically.