The Flash Player installer generates multiple log files that can provide crucial troubleshooting clues when you are unable to install. The following FAQ describes how to locate these log files so that you can provide this information to Adobe when requested. Please read through the entire FAQ before proceeding.
Note: Both log files are required from a 64-bit OS
The file names changed from FlashInstall.log to FlashInstall32.log and FlashInstall64.log in the Flash Player 26 release. The contents of the FLashInstall.log file are appended to the new file(s). If requested to provide log files and you have a FlashInstall.log file in the directory, provide that file as well.
Adobe_ADM log files
Two files, Adobe_ADM.log and Adobe_GDE.log are generated by the online installer. The files are located at the following location:
Vista and above: C:\Users\<YourUserID>\AppData\Local\Temp\Adobe_ADMLogs
XP: C:\Documents and Settings\<YourUserID>\Local Settings\Temp\Adobe_ADMLogs