This problem is happening from this afternoon. Suddenly my last HDD drive (Drive G) asked to check disk when Windows starts. But everytime it tries, it shows an error and can't run disk check. Here is the error:
I tried to system restore to previous date but only yesterday's date was available. I still did it but nothing happened after the system restore. I haven't install any software in last few days as far as I know.
Windows will now check the disk.
Cannot open volume for direct access.
Autochk cannot run due to an error caused by a recently installed package.
Use the system restore feature from the control panel to restore
to a point prior to the
recent software package installation.
An unspecified error occured (766f6.......3f1) .
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This is not the only problem though. After using a program, like after using Mozilla Firefox for 10/15 minutes, it sometimes stopped for few seconds then become normal again for a minute or two, then again stopped for few seconds. This also happens while browsing My Computer drives!