[PEDA] Anybody plagued by Protel executable corruptions recently?

2002-07-17 Thread Brad Velander

Hi all,
this is just a wild fishing trip.
Recently I have been plagued by my Protel install being corrupted
repeatedly. It seems to be corrupted Borland/Delphi library files (i.e.
VCL50.bpl in particular). I can do a clean install that includes deleting
all bpl and dpl files, reinstall Protel and everything is fine, a week or so
later I end up having to do it again. Anybody seen/seeing anything similar?
Note: I have not installed/reinstalled any applications since
reinstalling Protel, so it is not being written over by a new version to the
best of my knowledge.

Sincerely,
Brad Velander.

Lead PCB Designer
Norsat International Inc.
Microwave Products
Tel   (604) 292-9089 (direct line)
Fax  (604) 292-9010
email: [EMAIL PROTECTED]
http://www.norsat.com



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Re: [PEDA] Anybody plagued by Protel executable corruptions recently?

2002-07-17 Thread Tony Karavidas

Nope (sorry)



 -Original Message-
 From: Brad Velander [mailto:[EMAIL PROTECTED]]
 Sent: Wednesday, July 17, 2002 12:02 PM
 To: Protel EDA Forum List Server (E-mail)
 Subject: [PEDA] Anybody plagued by Protel executable corruptions
 recently?
 
 
 Hi all,
   this is just a wild fishing trip.
   Recently I have been plagued by my Protel install being corrupted
 repeatedly. It seems to be corrupted Borland/Delphi library files (i.e.
 VCL50.bpl in particular). I can do a clean install that includes deleting
 all bpl and dpl files, reinstall Protel and everything is fine, a 
 week or so
 later I end up having to do it again. Anybody seen/seeing 
 anything similar?
   Note: I have not installed/reinstalled any applications since
 reinstalling Protel, so it is not being written over by a new 
 version to the
 best of my knowledge.
 
 Sincerely,
 Brad Velander.
 
 Lead PCB Designer
 Norsat International Inc.
 Microwave Products
 Tel   (604) 292-9089 (direct line)
 Fax  (604) 292-9010
 email: [EMAIL PROTECTED]
 http://www.norsat.com
 


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Re: [PEDA] Anybody plagued by Protel executable corruptions recently?

2002-07-17 Thread Jon Elson

Brad Velander wrote:

 Hi all,
 this is just a wild fishing trip.
 Recently I have been plagued by my Protel install being corrupted
 repeatedly. It seems to be corrupted Borland/Delphi library files (i.e.
 VCL50.bpl in particular). I can do a clean install that includes deleting
 all bpl and dpl files, reinstall Protel and everything is fine, a week or so
 later I end up having to do it again. Anybody seen/seeing anything similar?
 Note: I have not installed/reinstalled any applications since
 reinstalling Protel, so it is not being written over by a new version to the
 best of my knowledge.

See if you can get diagnostics for your machine.  At least, run one of the
bootable memory test programs overnight.  You may have defective
memory, a flaky CPU or cache bus, or possibly a flaky IDE channel to
the hard drive.  I really don't think this is a problem with Protel code.
It is unfortunate that Protel seems to write stuff back onto the executable
file, I think.  That is a dangerous practice.  If memory contents are
corrupted, then what is written back will be contaminated.

You could save a copy of the executable file under a different name and
in a different directory.  Then, you could compare the two to detect changes,
or just copy it back.  That would be faster than reinstalling the whole thing.
(It might also cause the copy protection to refuse to allow the software to
run.
Well, then you would have to reinstall.)

Jon



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Re: [PEDA] Anybody plagued by Protel executable corruptions recently?

2002-07-17 Thread Dennis Saputelli

i would stash copies of the 'clean' ones and the 'corrupted' ones and do
a binary file compare to verify that this is really going on
also note the if file dates are changing

in my experience literal file corruption is much more rare than it is
suspected

OTOH, file replacement (as in DLL hell) is relatively common

if it really is file corruption i would guess your hardware is going
south

what is it that goes bad after a week?
spooking stuff like the file annotation crashes you were mentioning?

also have you done a disk defragment lately?
that might move it to different disk sectors

maybe do a defrag right after zapping your protel files before the next
re-install
what a pain this must be for you!

Dennis Saputelli

Brad Velander wrote:
 
 Hi all,
 this is just a wild fishing trip.
 Recently I have been plagued by my Protel install being corrupted
 repeatedly. It seems to be corrupted Borland/Delphi library files (i.e.
 VCL50.bpl in particular). I can do a clean install that includes deleting
 all bpl and dpl files, reinstall Protel and everything is fine, a week or so
 later I end up having to do it again. Anybody seen/seeing anything similar?
 Note: I have not installed/reinstalled any applications since
 reinstalling Protel, so it is not being written over by a new version to the
 best of my knowledge.
 
 Sincerely,
 Brad Velander.
 
 Lead PCB Designer
 Norsat International Inc.
 Microwave Products
 Tel   (604) 292-9089 (direct line)
 Fax  (604) 292-9010
 email: [EMAIL PROTECTED]
 http://www.norsat.com
 



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