Sounds like the behavior of the Autostart virus (9805 or Hong Kong Virus) from 1998... What OS version are you running? Any antivirus? This particular one is pretty easy to get rid of....

Symptoms

The worm has numerous symptoms that make it reasonably easy to
identify:

1) The system unexpectedly restarts after mounting a diskette or other
volume. This will only happen when the initial infection occurs.

2) The "DB" application name flashes briefly in the menu bar when a disk
is mounted.

3) The presence of an invisible application file named "DB" on the root
of disk volumes, or the invisible "Desktop Print Spooler" file in the
extensions folder. Any file or disk utility program (such as ResEdit)
that shows invisible files in its file selection dialogs can be used to
check for the files. Be sure not to confuse the legitimate "Desktop
Printer Spooler" file with the worm.

4) A process named "Desktop Print Spooler" is found (use Process Watcher
or Macsbug).

5) Extensive, unexplained disk activity every 30 minutes.

Greg

I have Power Center Pro 180 (with a G3 processor upgrade) that is now used as a spare computer, mainly for MIDI music stuff. It always worked fine when I used it as my main computer, but now it temporarily freezes up every 5-10 minutes. It lasts about 30 seconds, during which it doesn't respond to anything, and then it comes out of the freeze-up and behaves normally. It is not related to any particular application- it even happens in the Finder environment. If I am running a MIDI sequence, the sequence continues to play during the freeze up, but I can't stop it or do anything with the menu bar.
I have tried Norton utilities, and the disk checks out OK. I thought maybe the DIMMs or the processor card got loose when I had moved it, but that all checked out. Does anyone have any idea what might be wrong?



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