Hmm - in Win7, there's no Explorer GUI way of changing .bat file extensions (as far as I can find). How did Greg manage to change it in the first place?
Cheers Ken -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of mike smith Sent: Wednesday, 25 January 2012 10:22 AM To: ozDotNet Subject: Re: [OT] bat file association problem On Tue, Jan 24, 2012 at 7:55 PM, Greg Keogh <[email protected]> wrote: > Here’s a warning, while checking-in via Tortoise SVN today I must have > previewed (opened with....) a bat file and forgotten to untick the > “always open with”, or perhaps there was no option, I can’t remember. > So this caused all bat files to open with notepad when double-clicked in the > shell. > > > > Be warned that web searches on this problem produce countless pages of > results which are misleading, duplicated, wrong or dangerous (by > asking you to blindly merge registry data they supply). I'm happy enough to copy paste stuff from the web if I can read and understand what it does. If it pokes around in areas of the registry to do with drivers, and it looks dodgy... then no. Anyone found a trustworthy registry cleaner these days? No? My thoughts too. Not even really sure if it's necessary. > Avoiding dangerous routes, I > dumped and compared various keys from another okay Win7 machine with > my cactus one, but found no differences, probably because there are so > many places to look you can never find them all. > > An app that logged writes to the registry in some way that you could revert or roll them back would be nice. > > My first test was to merge back HKCR\CLSID batfile from a good machine > but it made no difference. Eventually I noticed one of the web pages > mentioned this key: > > > > HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.bat > > > > There was a subkey called UserPreference (or something like that, I > forget, I was flustered) with a single entry pointing to notepad. I > deleted that and now bat files are back to normal. > > > > And so I lose again over an hour of otherwise paid work time, more > hair and more sanity. You couldn’t make this shit up.
