Emacs 24.5.1 update issue on Windows 7

After updating Emacs to 24.5.1 (from 23.2) on my Windows 7 machine, I found that Emacs wouldn’t startup properly and would just display a white/blank screen and appear to hang. When running it from the command line, I was seeing a couple of lines of errors indicating a problem with GTK on startup:

GLib-GObject-CRITICAL **: gtype.c:2720: You forgot to call g_type_init()
GLib-CRITICAL **: g_once_init_leave: assertion `result != 0′ failed

This reminded me that I had installed GTK+ 3.0 recently prior to my update and thought perhaps this was some interaction with the new GTK installation. Rather than uninstall GTK, I opted to remove the path to the GTK bin from my Windows 7 PATH environment variable. Once I did that and then tried to run Emacs, it worked properly. Not sure what the weird interaction was about — perhaps the wrong GTK DLL was being loaded up?

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Emacs, Cygwin, cvs, etc. on Windows 7

When using Emacs 24.3.1 on Windows 7, I found that cygwin-mount.el would not work (it gave a bogus error of being unable to locate mount.exe) or using version control (cvs) within Emacs would fail with “Permission Denied”. Turns out the problem was Windows UAC (User Access Control). By changing the properties on runemacs.exe to “Run as administrator”, I was able to fix this issue.

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Mac RDP using CoRD to Windows 7 and issues with mouse cursor disappearing

When using CoRD to RDP to a Windows 7 machine from a Macbook Air running OS-X 10.6.8 (Snow Leopard), I was having trouble with the mouse cursor disappearing after starting any email edits with Microsoft Outlook on the remote Windows 7 machine. Turns out this is a Windows feature where the mouse cursor is hidden whenever in a editing window. There are settings in the Mouse control panel to remove this default behavior: Control Panel > Hardware and Sound > Mouse (dialog) > Pointer Options (tab) > “Hide pointer while typing” (checkbox). My problem was that the mouse pointer would disappear and stay disappeared for that session. Turns on there is a setting already to fix this — if you press the “Control” key and then move the mouse, the cursor reappears. Also clicking the mouse button once while still editing brings the cursor back temporarily (until you start editing again).

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