iastor.sys Errors problems happen when the system becomes misconfigured or when important files become missing, deleted or broken. These types of problems happen due to not properly maintaining your PC, eventually leading too critical errors and system malfunctions.

So, from my experience, If you got iastor.sys Problems then there is a 94% chance that your computer has registry problems.

Recommendation: To repair your computer correctly, use the Free Download recommended below. This tool is designed to diagnose and repair errors that may be causing your computer to malfunction.

	Download iastor.sys Errors Repair Tool
	File Size: 4.5MB Download Time: 3 sec <(cable/dsl/dial-up)

Some users in upgrading Windows 7 o'clock see system errors and tips: "$Windows.~bt\windows\system32\drivers\iastor.sys. Status: 0xc0000359. Windows failed to load because a critical system driver is missing or corrupt.” That is a critical system driver is missing or when you upgrade an error, it causes the system not to load smoothly, will go back to Vista computer system after State. Microsoft said this was due to a system error caused by iastor.sys file that is referenced. 
Download iastor.sys Errors Repair Tool