I ran the code through KGen to perform a Sanity check. Only warnings were from Undefined and Unused variables. Not best practice, but not technically an error either. The CSV data below represents the warning, varname, function and line where first referenced.
 Code:
Undeclared variable.,Implicit declaration as GLOBAL!,$os,Main,15
Undeclared variable.,Implicit declaration as GLOBAL!,$os_type,Main,16
Undeclared variable.,Implicit declaration as GLOBAL!,$os_service_pack,Main,17
Undeclared variable.,Implicit declaration as GLOBAL!,$progressstep,Main,18
Undeclared variable.,Implicit declaration as GLOBAL!,$sleeptime,Main,19
Undeclared variable.,Implicit declaration as GLOBAL!,$numerrors,Main,20
Undeclared variable.,Implicit declaration as GLOBAL!,$userid,Main,24
Undeclared variable.,Implicit declaration as GLOBAL!,$Updates,Main,25
Undeclared variable.,Implicit declaration as GLOBAL!,$RunUpdates,Main,26
Undeclared variable.,Implicit declaration as GLOBAL!,$False,Main,26
Undeclared variable.,Implicit declaration as GLOBAL!,$tmpdir,Main,27
Undeclared variable.,Implicit declaration as GLOBAL!,$systemdrive,Main,28
Undeclared variable.,Implicit declaration as GLOBAL!,$windir,Main,29
Undeclared variable.,Implicit declaration as GLOBAL!,$comspec,Main,30
Undeclared variable.,Implicit declaration as GLOBAL!,$Filelocation,Main,31
Undeclared variable.,Implicit declaration as GLOBAL!,$NumMessages,Main,34
Undeclared variable.,Implicit declaration as GLOBAL!,$ProgressBar,Main,55
Undeclared variable.,,$Clock,UpdateClock,67
Undeclared variable.,,$NewsRadioButton,ShowNews,77
Undeclared variable.,,$NewsLine,ShowNews,80
Undeclared variable.,,$NewsTextBox,ShowNews,82
Undeclared variable.,,$SharesRadioButton,ConnectDrives,100
Undeclared variable.,,$NT_mode,ConnectHomeDrive,122
Undeclared variable.,,$x,ConnectDefaultDrives,143
Undeclared variable.,,$DriveDefinition,ConnectDefaultDrives,144
Undeclared variable.,,$Group,Groepbepaling,161
Undeclared variable.,,$group,ConnectGroupDrives,175
Undeclared variable.,,$x,ConnectGroupDrives,177
Undeclared variable.,,$DriveDefinition,ConnectGroupDrives,178
Undeclared variable.,,$StandardSettingsRadioButton,StandardSettings,196
Undeclared variable.,,$defprint,StandardSettings,226
Undeclared variable.,,$TempfoldersRadioButton,Tempfolders,238
Undeclared variable.,,$DriveLetter,ConnectShare,251
Undeclared variable.,,$Share,ConnectShare,253
Undeclared variable.,,$ShareDesc,ConnectShare,254
Undeclared variable.,,$NT_mode,ConnectShare,260
Undeclared variable.,,$ProgressTextBox,Progress,279
Undeclared variable.,,$DebugFlag,Progress,282
Undeclared variable.,,$TRUE,Progress,282
Undeclared variable.,,$,Progress,288
Undeclared variable.,,$Form,Progress,288
Undeclared variable.,,$DebugLevel,DBGMessage,298
Undeclared variable.,,$DebugTime,DBGMessage,314
Undeclared variable.,,$DebugText,DBGMessage,315
Undeclared variable.,,$DebugFlag,DBGMessage,321
Undeclared variable.,,$TRUE,DBGMessage,321
Undeclared variable.,,$DbgTextBox,DBGMessage,322
Undeclared variable.,,$Form,DrawForms,334
Undeclared variable.,,$DebugFlag,DrawForms,338
Undeclared variable.,,$True,DrawForms,338
Undeclared variable.,,$Timer,DrawForms,345
Undeclared variable.,,$Logo,DrawForms,349
Undeclared variable.,,$InfoFrame,DrawForms,357
Undeclared variable.,,$UserIdLbl,DrawForms,359
Undeclared variable.,,$UserIdBox,DrawForms,360
Undeclared variable.,,$FullNameLbl,DrawForms,363
Undeclared variable.,,$FullNameBox,DrawForms,364
Undeclared variable.,,$WorkStnLbl,DrawForms,367
Undeclared variable.,,$WorkStnBox,DrawForms,368
Undeclared variable.,,$DomainLbl,DrawForms,371
Undeclared variable.,,$DomainBox,DrawForms,372
Undeclared variable.,,$TimeLbl,DrawForms,375
Undeclared variable.,,$TimeBox,DrawForms,376
Undeclared variable.,,$DateLbl,DrawForms,379
Undeclared variable.,,$DateBox,DrawForms,380
Undeclared variable.,,$ActionFrame,DrawForms,385
Undeclared variable.,,$NewsRadioButton,DrawForms,387
Undeclared variable.,,$SharesRadioButton,DrawForms,388
Undeclared variable.,,$StandardSettingsRadioButton,DrawForms,389
Undeclared variable.,,$TempfoldersRadioButton,DrawForms,390
Undeclared variable.,,$NewsFrame,DrawForms,393
Undeclared variable.,,$NewsTextBox,DrawForms,395
Undeclared variable.,,$ProgressTextBox,DrawForms,404
Undeclared variable.,,$CurrentTime,DrawForms,420
Undeclared variable.,,$Clock,DrawForms,421
Undeclared variable.,,$DbgForm,DrawForms,429
Undeclared variable.,,$DbgTextBox,DrawForms,436
Undeclared variable.,,$CurrentX,DrawForms,447
Undeclared variable.,,$CurrentY,DrawForms,448
Variable declared but not referenced.,Declaration line is referenced above.,$UpdateSoftware,Global,23
 80 warnings generated, 460 lines processed.,,,,
Glenn
_________________________
Actually I am a Rocket Scientist! \:D