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A Windows User Profile gets corrupted every so often
  1. How-to
0 Votes
  1. Olan Knight
  2. PowerBuilder
  3. Friday, 1 March 2019 01:04 AM UTC

PowerBuilder v12.1, build 7055
Oracle 12C
Non-PFC PB client application


We have ten utilities that are baseline PowerBuilder applications. Some use OLE to open Excel  to import an Excel  file, others simply import test files. All of them use some Windows APIs to perform various tasks, and most of those are FIND/GET APIs.

The utilities are hosted on a Citrix box, and that's how they are accessed by the users.

Every so often, one of the users starts having more and more difficulty accessing the utility. Once her Windows User Profile is rebuilt, the utility is again accessible. After 2-4 weeks of activity her Profile somehow gets corrupted. This occurs regularly. It only seems to happen on one of the 10 utilities; but to be fair it's the most used utility.

Q:  Does anyone have any idea how a non-PFC application could be corrupting a Windows User Profile?
     Is that even possible?
     Is there any other way the Windows User Profile could be getting corrupted?

Thanks,

Olan

~~~~~~~~~~~~~~~~~

The utilities use the following FIND/GET Windows APIs, all from LIBRARY "Kernel32.dll" except as noted:

FUNCTION uint      FindWindowA            
FUNCTION ulong    GetEnvironmentVariableA
FUNCTION boolean GetComputerNameA       
FUNCTION boolean GetUserNameA       
Function Boolean    GetFileTime            

FUNCTION int        GetModuleFileNameA    
FUNCTION long      GetCurrentProcessId    

Function Boolean   GetFileTime          
FUNCTION long      FindFirstFileA         
FUNCTION boolean FindClose              
FUNCTION boolean FileTimeToLocalFileTime
FUNCTION boolean FileTimeToSystemTime

FUNCTION long      GetFileVersionInfo   
Function ulong       GetProcessHeap      
Function ulong       VerQueryValue        


They use the following non-FIND/non-GET Windows APIs:

Function boolean MoveFileA  
Function ulong    HeapAlloc   
Function long      HeapFree    
Subroutine         RtlMoveMemory
Function ulong    strcpy      


Reconnecting to SVN Repository... Themes in PB 2019 GA
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